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How much is 31?

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 It's about three-and-a-half times the number of Symphonies Composed by Beethoven. In other words, 31 is 3.444444444440 times the count of Symphonies Composed by Beethoven, and the count of Symphonies Composed by Beethoven is 0.2903225806460 times that amount. (a.k.a. Ludwig van Beethoven) It's about one-fourth the number of Elements on the Periodic Table. In other words, 31 is 0.2630 times the count of Elements on the Periodic Table, and the count of Elements on the Periodic Table is 3.80 times that amount. (a.k.a. Periodic Table of the Elements, a.k.a chemical elements) (confirmed elements as of 2016) It's about one-fourth the number of Union Stations in the United States. In other words, 31 is 0.230 times the count of Union Stations in the United States, and the count of Union Stations in the United States is 4.350 times that amount. (a.k.a. Union Terminal; a.k.a. Joint Station; a.k.a. Union Depot) (2016 figures)Typically shared between multiple railroad companies and stations, there are about 135 "Union Stations" in the United States. Of these, the busiest station is Chicago Union Station, which handles 120,000 passengers each year. It's about one-fifth the number of Moons in our Solar System. In other words, 31 is 0.2120 times the count of Moons in our Solar System, and the count of Moons in our Solar System is 4.720 times that amount. (2015 figures) (confirmed moons only; dwarf planet satellites not included) It's about one-fifth the number of John Wayne films. In other words, 31 is 0.1740 times the count of John Wayne films, and the count of John Wayne films is 5.750 times that amount. (a.k.a. "Duke", a.k.a. JW, a.k.a. Marion Mitchell Morrison, a.k.a. Marion Robert Morrison, a.k.a. Duke Morrison) (films starring the actor in any size role) It's about six times the number of Living U.S. Presidents. In other words, the count of Living U.S. Presidents is 0.20 times 31. (a.k.a. Presidents of the United States; a.k.a. Presidents of the United States of America; a.k.a. POTUS), (2016 figures) (including current) It's about one-tenth the number of Bones in the Human Body. In other words, 31 is 0.150 times the count of Bones in the Human Body, and the count of Bones in the Human Body is 6.670 times that amount. (adult, excluding sesamoid bones and ossicles)