31376243312 has 40 divisors (see below), whose sum is σ = 62499157536. Its totient is φ = 15248307456.

The previous prime is 31376243303. The next prime is 31376243347. The reversal of 31376243312 is 21334267313.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 554978 + ... + 608894.

Almost surely, 2^31376243312 is an apocalyptic number.

It is an amenable number.

31376243312 is a deficient number, since it is larger than the sum of its proper divisors (31122914224).

31376243312 is a wasteful number, since it uses less digits than its factorization.

31376243312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54945 (or 54939 counting only the distinct ones).

The product of its digits is 54432, while the sum is 35.

The spelling of 31376243312 in words is "thirty-one billion, three hundred seventy-six million, two hundred forty-three thousand, three hundred twelve".