31364216216 has 16 divisors (see below), whose sum is σ = 59051925240. Its totient is φ = 15617036160.

The previous prime is 31364216207. The next prime is 31364216231. The reversal of 31364216216 is 61261246313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8131946 + ... + 8135801.

Almost surely, 2^31364216216 is an apocalyptic number.

It is an amenable number.

31364216216 is a deficient number, since it is larger than the sum of its proper divisors (27687709024).

31364216216 is a wasteful number, since it uses less digits than its factorization.

31364216216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16267994 (or 16267990 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The spelling of 31364216216 in words is "thirty-one billion, three hundred sixty-four million, two hundred sixteen thousand, two hundred sixteen".