31525161112 has 16 divisors (see below), whose sum is σ = 59250756600. Its totient is φ = 15724959360.

The previous prime is 31525161091. The next prime is 31525161223. The reversal of 31525161112 is 21116152513.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4699089 + ... + 4705792.

Almost surely, 2^31525161112 is an apocalyptic number.

It is an amenable number.

31525161112 is a deficient number, since it is larger than the sum of its proper divisors (27725595488).

31525161112 is a wasteful number, since it uses less digits than its factorization.

31525161112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9405306 (or 9405302 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The spelling of 31525161112 in words is "thirty-one billion, five hundred twenty-five million, one hundred sixty-one thousand, one hundred twelve".