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31314540200 = 2352175389317
BaseRepresentation
bin11101001010011111…
…011111011010101000
32222211100211110112012
4131022133133122220
51003113010241300
622215151135052
72156001125366
oct351237373250
988740743465
1031314540200
111230a272599
12609b214488
132c50821338
141730c72636
15c3423c435
hex74a7df6a8

31314540200 has 48 divisors (see below), whose sum is σ = 72848653980. Its totient is φ = 12518530560.

The previous prime is 31314540143. The next prime is 31314540223. The reversal of 31314540200 is 204541313.

It can be written as a sum of positive squares in 6 ways, for example, as 2609370724 + 28705169476 = 51082^2 + 169426^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305942 + ... + 395258.

Almost surely, 231314540200 is an apocalyptic number.

It is an amenable number.

31314540200 is an abundant number, since it is smaller than the sum of its proper divisors (41534113780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31314540200 is a wasteful number, since it uses less digits than its factorization.

31314540200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91086 (or 91077 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 31314540200 in words is "thirty-one billion, three hundred fourteen million, five hundred forty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1753 3506 7012 8765 14024 17530 35060 43825 70120 87650 89317 175300 178634 350600 357268 446585 714536 893170 1786340 2232925 3572680 4465850 8931700 17863400 156572701 313145402 626290804 782863505 1252581608 1565727010 3131454020 3914317525 6262908040 7828635050 15657270100 31314540200