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31150405324 = 2239581196751
BaseRepresentation
bin11101000000101101…
…010111011011001100
32222101220222112210201
4131000231113123030
51002244000432244
622151005143244
72151636035143
oct350055273314
988356875721
1031150405324
1112235656635
12605425ab24
132c258137cc
14171714875a
15c24b19ad4
hex740b576cc

31150405324 has 12 divisors (see below), whose sum is σ = 54514863648. Its totient is φ = 15574730000.

The previous prime is 31150405271. The next prime is 31150405331. The reversal of 31150405324 is 42350405113.

It is a junction number, because it is equal to n+sod(n) for n = 31150405292 and 31150405301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59949 + ... + 256699.

It is an arithmetic number, because the mean of its divisors is an integer number (4542905304).

Almost surely, 231150405324 is an apocalyptic number.

It is an amenable number.

31150405324 is a deficient number, since it is larger than the sum of its proper divisors (23364458324).

31150405324 is a wasteful number, since it uses less digits than its factorization.

31150405324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236336 (or 236334 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 31150405324 in words is "thirty-one billion, one hundred fifty million, four hundred five thousand, three hundred twenty-four".

Divisors: 1 2 4 39581 79162 158324 196751 393502 787004 7787601331 15575202662 31150405324