31400574025 has 12 divisors (see below), whose sum is σ = 38948914972. Its totient is φ = 25112586240.

The previous prime is 31400574011. The next prime is 31400574061. The reversal of 31400574025 is 52047500413.

It can be written as a sum of positive squares in 6 ways, for example, as 4926355344 + 26474218681 = 70188^2 + 162709^2 .

It is not a de Polignac number, because 31400574025 - 2³³ = 22810639433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114792 + ... + 275641.

Almost surely, 2^31400574025 is an apocalyptic number.

It is an amenable number.

31400574025 is a deficient number, since it is larger than the sum of its proper divisors (7548340947).

31400574025 is a wasteful number, since it uses less digits than its factorization.

31400574025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393660 (or 393655 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 31400574025 in words is "thirty-one billion, four hundred million, five hundred seventy-four thousand, twenty-five".