31012310975 has 12 divisors (see below), whose sum is σ = 38758066944. Its totient is φ = 24614493120.

The previous prime is 31012310969. The next prime is 31012311017. The reversal of 31012310975 is 57901321013.

It is not a de Polignac number, because 31012310975 - 2²⁴ = 30995533759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4880654 + ... + 4887003.

It is an arithmetic number, because the mean of its divisors is an integer number (3229838912).

Almost surely, 2^31012310975 is an apocalyptic number.

31012310975 is a deficient number, since it is larger than the sum of its proper divisors (7745755969).

31012310975 is a wasteful number, since it uses less digits than its factorization.

31012310975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9767794 (or 9767789 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

Adding to 31012310975 its reverse (57901321013), we get a palindrome (88913631988).

The spelling of 31012310975 in words is "thirty-one billion, twelve million, three hundred ten thousand, nine hundred seventy-five".