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31343611652 = 2223340691431
BaseRepresentation
bin11101001100001110…
…011000111100000100
32222220101112110001122
4131030032120330010
51003142431033102
622222110213112
72156503205663
oct351416307404
988811473048
1031343611652
1112324719391
1260a8ab4198
132c5685c792
141734a7cdda
15c36a810a2
hex74c398f04

31343611652 has 12 divisors (see below), whose sum is σ = 57236160576. Its totient is φ = 14990422920.

The previous prime is 31343611631. The next prime is 31343611679. The reversal of 31343611652 is 25611634313.

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, 170345624 + ... + 170345807.

It is an arithmetic number, because the mean of its divisors is an integer number (4769680048).

Almost surely, 231343611652 is an apocalyptic number.

It is an amenable number.

31343611652 is a deficient number, since it is larger than the sum of its proper divisors (25892548924).

31343611652 is a wasteful number, since it uses less digits than its factorization.

31343611652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340691458 (or 340691456 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The spelling of 31343611652 in words is "thirty-one billion, three hundred forty-three million, six hundred eleven thousand, six hundred fifty-two".

Divisors: 1 2 4 23 46 92 340691431 681382862 1362765724 7835902913 15671805826 31343611652