31323514425 has 48 divisors (see below), whose sum is σ = 59467241472. Its totient is φ = 14251406400.

The previous prime is 31323514381. The next prime is 31323514483. The reversal of 31323514425 is 52441532313.

It is not a de Polignac number, because 31323514425 - 2¹² = 31323510329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30609 + ... + 252158.

It is an arithmetic number, because the mean of its divisors is an integer number (1238900864).

Almost surely, 2^31323514425 is an apocalyptic number.

31323514425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31323514425 is a deficient number, since it is larger than the sum of its proper divisors (28143727047).

31323514425 is a wasteful number, since it uses less digits than its factorization.

31323514425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282998 (or 282993 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The spelling of 31323514425 in words is "thirty-one billion, three hundred twenty-three million, five hundred fourteen thousand, four hundred twenty-five".