31616442264 has 64 divisors (see below), whose sum is σ = 86613488640. Its totient is φ = 9537759360.

The previous prime is 31616442239. The next prime is 31616442271. The reversal of 31616442264 is 46224461613.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209647 + ... + 327390.

It is an arithmetic number, because the mean of its divisors is an integer number (1353335760).

Almost surely, 2^31616442264 is an apocalyptic number.

It is an amenable number.

31616442264 is an abundant number, since it is smaller than the sum of its proper divisors (54997046376).

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

31616442264 is a wasteful number, since it uses less digits than its factorization.

31616442264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537280 (or 537276 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The spelling of 31616442264 in words is "thirty-one billion, six hundred sixteen million, four hundred forty-two thousand, two hundred sixty-four".