31485525452 has 12 divisors (see below), whose sum is σ = 55103243496. Its totient is φ = 15741741600.

The previous prime is 31485525437. The next prime is 31485525457. The reversal of 31485525452 is 25452558413.

It is not an unprimeable number, because it can be changed into a prime (31485525457) 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, 183674 + ... + 310977.

It is an arithmetic number, because the mean of its divisors is an integer number (4591936958).

Almost surely, 2^31485525452 is an apocalyptic number.

It is an amenable number.

31485525452 is a deficient number, since it is larger than the sum of its proper divisors (23617718044).

31485525452 is a wasteful number, since it uses less digits than its factorization.

31485525452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510568 (or 510566 counting only the distinct ones).

The product of its digits is 960000, while the sum is 44.

The spelling of 31485525452 in words is "thirty-one billion, four hundred eighty-five million, five hundred twenty-five thousand, four hundred fifty-two".