31938732879964 has 12 divisors (see below), whose sum is σ = 55930370164704. Its totient is φ = 15958627118624.

The previous prime is 31938732879961. The next prime is 31938732879983. The reversal of 31938732879964 is 46997823783913.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31938732879961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684823649 + ... + 2684835544.

It is an arithmetic number, because the mean of its divisors is an integer number (4660864180392).

Almost surely, 2^{31938732879964} is an apocalyptic number.

It is an amenable number.

31938732879964 is a deficient number, since it is larger than the sum of its proper divisors (23991637284740).

31938732879964 is a wasteful number, since it uses less digits than its factorization.

31938732879964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369660684 (or 5369660682 counting only the distinct ones).

The product of its digits is 2962842624, while the sum is 79.

The spelling of 31938732879964 in words is "thirty-one trillion, nine hundred thirty-eight billion, seven hundred thirty-two million, eight hundred seventy-nine thousand, nine hundred sixty-four".