31040510525 has 6 divisors (see below), whose sum is σ = 38490233082. Its totient is φ = 24832408400.

The previous prime is 31040510411. The next prime is 31040510531. The reversal of 31040510525 is 52501504013.

It can be written as a sum of positive squares in 3 ways, for example, as 7705503961 + 23335006564 = 87781^2 + 152758^2 .

It is not a de Polignac number, because 31040510525 - 2¹⁴ = 31040494141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31040510494 and 31040510503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620810186 + ... + 620810235.

It is an arithmetic number, because the mean of its divisors is an integer number (6415038847).

Almost surely, 2^31040510525 is an apocalyptic number.

It is an amenable number.

31040510525 is a deficient number, since it is larger than the sum of its proper divisors (7449722557).

31040510525 is a wasteful number, since it uses less digits than its factorization.

31040510525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241620431 (or 1241620426 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 31040510525 in words is "thirty-one billion, forty million, five hundred ten thousand, five hundred twenty-five".