31314312456 has 64 divisors (see below), whose sum is σ = 89668944000. Its totient is φ = 8926998528.

The previous prime is 31314312413. The next prime is 31314312461. The reversal of 31314312456 is 65421341313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132135 + ... + 282998.

It is an arithmetic number, because the mean of its divisors is an integer number (1401077250).

Almost surely, 2^31314312456 is an apocalyptic number.

It is an amenable number.

31314312456 is an abundant number, since it is smaller than the sum of its proper divisors (58354631544).

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

31314312456 is a wasteful number, since it uses less digits than its factorization.

31314312456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415598 (or 415594 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

Adding to 31314312456 its reverse (65421341313), we get a palindrome (96735653769).

The spelling of 31314312456 in words is "thirty-one billion, three hundred fourteen million, three hundred twelve thousand, four hundred fifty-six".