31625514452 has 12 divisors (see below), whose sum is σ = 63251028960. Its totient is φ = 13553791896.

The previous prime is 31625514433. The next prime is 31625514457. The reversal of 31625514452 is 25441552613.

31625514452 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31625514457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564741302 + ... + 564741357.

It is an arithmetic number, because the mean of its divisors is an integer number (5270919080).

Almost surely, 2^31625514452 is an apocalyptic number.

It is an amenable number.

31625514452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31625514452 is a wasteful number, since it uses less digits than its factorization.

31625514452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129482670 (or 1129482668 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The spelling of 31625514452 in words is "thirty-one billion, six hundred twenty-five million, five hundred fourteen thousand, four hundred fifty-two".