31677431524 has 6 divisors (see below), whose sum is σ = 55435505174. Its totient is φ = 15838715760.

The previous prime is 31677431507. The next prime is 31677431531. The reversal of 31677431524 is 42513477613.

It can be written as a sum of positive squares in only one way, i.e., 26582041600 + 5095389924 = 163040^2 + 71382^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3959678937 + ... + 3959678944.

Almost surely, 2^31677431524 is an apocalyptic number.

It is an amenable number.

31677431524 is a deficient number, since it is larger than the sum of its proper divisors (23758073650).

31677431524 is a wasteful number, since it uses less digits than its factorization.

31677431524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919357885 (or 7919357883 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The spelling of 31677431524 in words is "thirty-one billion, six hundred seventy-seven million, four hundred thirty-one thousand, five hundred twenty-four".