31596704975 has 24 divisors (see below), whose sum is σ = 43327255152. Its totient is φ = 22664620800.

The previous prime is 31596704947. The next prime is 31596704977. The reversal of 31596704975 is 57940769513.

It is not a de Polignac number, because 31596704975 - 2¹⁸ = 31596442831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31596704975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31596704977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 766892 + ... + 807041.

It is an arithmetic number, because the mean of its divisors is an integer number (1805302298).

Almost surely, 2^31596704975 is an apocalyptic number.

31596704975 is a deficient number, since it is larger than the sum of its proper divisors (11730550177).

31596704975 is a wasteful number, since it uses less digits than its factorization.

31596704975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574027 (or 1574022 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 56.

The spelling of 31596704975 in words is "thirty-one billion, five hundred ninety-six million, seven hundred four thousand, nine hundred seventy-five".