31013497684 has 12 divisors (see below), whose sum is σ = 58448514964. Its totient is φ = 14313921984.

The previous prime is 31013497661. The next prime is 31013497687. The reversal of 31013497684 is 48679431013.

It can be written as a sum of positive squares in 2 ways, for example, as 15989602500 + 15023895184 = 126450^2 + 122572^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013497687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298206657 + ... + 298206760.

Almost surely, 2^31013497684 is an apocalyptic number.

It is an amenable number.

31013497684 is a deficient number, since it is larger than the sum of its proper divisors (27435017280).

31013497684 is a wasteful number, since it uses less digits than its factorization.

31013497684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596413434 (or 596413432 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 31013497684 in words is "thirty-one billion, thirteen million, four hundred ninety-seven thousand, six hundred eighty-four".