31353460312 has 16 divisors (see below), whose sum is σ = 58792519800. Its totient is φ = 15675455040.

The previous prime is 31353460309. The next prime is 31353460331. The reversal of 31353460312 is 21306435313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50514 + ... + 255457.

Almost surely, 2^31353460312 is an apocalyptic number.

It is an amenable number.

31353460312 is a deficient number, since it is larger than the sum of its proper divisors (27439059488).

31353460312 is a wasteful number, since it uses less digits than its factorization.

31353460312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318786 (or 318782 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 31353460312 its reverse (21306435313), we get a palindrome (52659895625).

The spelling of 31353460312 in words is "thirty-one billion, three hundred fifty-three million, four hundred sixty thousand, three hundred twelve".