31311312313322 has 16 divisors (see below), whose sum is σ = 47971168099200. Its totient is φ = 15320991036288.

The previous prime is 31311312313319. The next prime is 31311312313397. The reversal of 31311312313322 is 22331321311313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16097447 + ... + 17937402.

It is an arithmetic number, because the mean of its divisors is an integer number (2998198006200).

Almost surely, 2^{31311312313322} is an apocalyptic number.

31311312313322 is a deficient number, since it is larger than the sum of its proper divisors (16659855785878).

31311312313322 is a wasteful number, since it uses less digits than its factorization.

31311312313322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34044685.

The product of its digits is 5832, while the sum is 29.

Adding to 31311312313322 its reverse (22331321311313), we get a palindrome (53642633624635).

The spelling of 31311312313322 in words is "thirty-one trillion, three hundred eleven billion, three hundred twelve million, three hundred thirteen thousand, three hundred twenty-two".