31268906425 has 6 divisors (see below), whose sum is σ = 38773443998. Its totient is φ = 25015125120.

The previous prime is 31268906419. The next prime is 31268906491. The reversal of 31268906425 is 52460986213.

It can be written as a sum of positive squares in 3 ways, for example, as 2587451689 + 28681454736 = 50867^2 + 169356^2 .

It is not a de Polignac number, because 31268906425 - 2⁵ = 31268906393 is a prime.

It is a Duffinian 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, 625378104 + ... + 625378153.

Almost surely, 2^31268906425 is an apocalyptic number.

It is an amenable number.

31268906425 is a deficient number, since it is larger than the sum of its proper divisors (7504537573).

31268906425 is a wasteful number, since it uses less digits than its factorization.

31268906425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250756267 (or 1250756262 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 31268906425 in words is "thirty-one billion, two hundred sixty-eight million, nine hundred six thousand, four hundred twenty-five".