31612351684 has 12 divisors (see below), whose sum is σ = 55527273900. Its totient is φ = 15747416288.

The previous prime is 31612351621. The next prime is 31612351723. The reversal of 31612351684 is 48615321613.

It can be written as a sum of positive squares in 2 ways, for example, as 4905601600 + 26706750084 = 70040^2 + 163422^2 .

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, 14688679 + ... + 14690830.

It is an arithmetic number, because the mean of its divisors is an integer number (4627272825).

Almost surely, 2^31612351684 is an apocalyptic number.

It is an amenable number.

31612351684 is a deficient number, since it is larger than the sum of its proper divisors (23914922216).

31612351684 is a wasteful number, since it uses less digits than its factorization.

31612351684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29379782 (or 29379780 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The spelling of 31612351684 in words is "thirty-one billion, six hundred twelve million, three hundred fifty-one thousand, six hundred eighty-four".