31525011052 has 24 divisors (see below), whose sum is σ = 59307978240. Its totient is φ = 14615177040.

The previous prime is 31525011047. The next prime is 31525011079. The reversal of 31525011052 is 25011052513.

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, 4409224 + ... + 4416367.

It is an arithmetic number, because the mean of its divisors is an integer number (2471165760).

Almost surely, 2^31525011052 is an apocalyptic number.

It is an amenable number.

31525011052 is a deficient number, since it is larger than the sum of its proper divisors (27782967188).

31525011052 is a wasteful number, since it uses less digits than its factorization.

31525011052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8825661 (or 8825659 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 31525011052 its reverse (25011052513), we get a palindrome (56536063565).

The spelling of 31525011052 in words is "thirty-one billion, five hundred twenty-five million, eleven thousand, fifty-two".