31246496868 has 12 divisors (see below), whose sum is σ = 72908492720. Its totient is φ = 10415498952.

The previous prime is 31246496789. The next prime is 31246496923. The reversal of 31246496868 is 86869464213.

It is a tau number, because it is divible by the number of its divisors (12).

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 in 3 ways as a sum of consecutive naturals, for example, 1301937358 + ... + 1301937381.

Almost surely, 2^31246496868 is an apocalyptic number.

It is an amenable number.

31246496868 is an abundant number, since it is smaller than the sum of its proper divisors (41661995852).

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

31246496868 is a wasteful number, since it uses less digits than its factorization.

31246496868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603874746 (or 2603874744 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 57.

The spelling of 31246496868 in words is "thirty-one billion, two hundred forty-six million, four hundred ninety-six thousand, eight hundred sixty-eight".