31053215212 has 12 divisors (see below), whose sum is σ = 57203291320. Its totient is φ = 14709417696.

The previous prime is 31053215203. The next prime is 31053215261. The reversal of 31053215212 is 21251235013.

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, 204297393 + ... + 204297544.

Almost surely, 2^31053215212 is an apocalyptic number.

It is an amenable number.

31053215212 is a deficient number, since it is larger than the sum of its proper divisors (26150076108).

31053215212 is a wasteful number, since it uses less digits than its factorization.

31053215212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408594960 (or 408594958 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 31053215212 in words is "thirty-one billion, fifty-three million, two hundred fifteen thousand, two hundred twelve".