31425315464212 has 24 divisors (see below), whose sum is σ = 55046869727360. Its totient is φ = 15697641136320.

The previous prime is 31425315464209. The next prime is 31425315464239. The reversal of 31425315464212 is 21246451352413.

It is a happy number.

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, 46348864 + ... + 47021992.

Almost surely, 2^{31425315464212} is an apocalyptic number.

It is an amenable number.

31425315464212 is a deficient number, since it is larger than the sum of its proper divisors (23621554263148).

31425315464212 is a wasteful number, since it uses less digits than its factorization.

31425315464212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684271 (or 684269 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The spelling of 31425315464212 in words is "thirty-one trillion, four hundred twenty-five billion, three hundred fifteen million, four hundred sixty-four thousand, two hundred twelve".