31375103312 has 40 divisors (see below), whose sum is σ = 69557452800. Its totient is φ = 13430212992.

The previous prime is 31375103299. The next prime is 31375103371. The reversal of 31375103312 is 21330157313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76112 + ... + 261807.

It is an arithmetic number, because the mean of its divisors is an integer number (1738936320).

Almost surely, 2^31375103312 is an apocalyptic number.

It is an amenable number.

31375103312 is an abundant number, since it is smaller than the sum of its proper divisors (38182349488).

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

31375103312 is a wasteful number, since it uses less digits than its factorization.

31375103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338763 (or 338757 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The spelling of 31375103312 in words is "thirty-one billion, three hundred seventy-five million, one hundred three thousand, three hundred twelve".