31347416312 has 32 divisors (see below), whose sum is σ = 61348229280. Its totient is φ = 14988251520.

The previous prime is 31347416299. The next prime is 31347416357. The reversal of 31347416312 is 21361474313.

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, 739862 + ... + 781082.

It is an arithmetic number, because the mean of its divisors is an integer number (1917132165).

Almost surely, 2^31347416312 is an apocalyptic number.

It is an amenable number.

31347416312 is a deficient number, since it is larger than the sum of its proper divisors (30000812968).

31347416312 is a wasteful number, since it uses less digits than its factorization.

31347416312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45383 (or 45379 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The spelling of 31347416312 in words is "thirty-one billion, three hundred forty-seven million, four hundred sixteen thousand, three hundred twelve".