31313410312 has 16 divisors (see below), whose sum is σ = 59707774800. Its totient is φ = 15391337040.

The previous prime is 31313410259. The next prime is 31313410361. The reversal of 31313410312 is 21301431313.

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, 33170514 + ... + 33171457.

It is an arithmetic number, because the mean of its divisors is an integer number (3731735925).

Almost surely, 2^31313410312 is an apocalyptic number.

It is an amenable number.

31313410312 is a deficient number, since it is larger than the sum of its proper divisors (28394364488).

31313410312 is a wasteful number, since it uses less digits than its factorization.

31313410312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66342036 (or 66342032 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31313410312 its reverse (21301431313), we get a palindrome (52614841625).

The spelling of 31313410312 in words is "thirty-one billion, three hundred thirteen million, four hundred ten thousand, three hundred twelve".