31525452051 has 16 divisors (see below), whose sum is σ = 42436251648. Its totient is φ = 20815898400.

The previous prime is 31525452047. The next prime is 31525452059. The reversal of 31525452051 is 15025452513.

It is not a de Polignac number, because 31525452051 - 2² = 31525452047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31525452059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2005161 + ... + 2020821.

It is an arithmetic number, because the mean of its divisors is an integer number (2652265728).

Almost surely, 2^31525452051 is an apocalyptic number.

31525452051 is a deficient number, since it is larger than the sum of its proper divisors (10910799597).

31525452051 is a wasteful number, since it uses less digits than its factorization.

31525452051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22042.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 31525452051 in words is "thirty-one billion, five hundred twenty-five million, four hundred fifty-two thousand, fifty-one".