12313131320122 has 16 divisors (see below), whose sum is σ = 18645012254880. Its totient is φ = 6098143909968.

The previous prime is 12313131320107. The next prime is 12313131320153. The reversal of 12313131320122 is 22102313131321.

It is a super-2 number, since 2×12313131320122² (a number of 27 digits) contains 22 as substring.

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, 2687097 + ... + 5643292.

It is an arithmetic number, because the mean of its divisors is an integer number (1165313265930).

Almost surely, 2^{12313131320122} is an apocalyptic number.

12313131320122 is a deficient number, since it is larger than the sum of its proper divisors (6331880934758).

12313131320122 is a wasteful number, since it uses less digits than its factorization.

12313131320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8337405.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12313131320122 its reverse (22102313131321), we get a palindrome (34415444451443).

The spelling of 12313131320122 in words is "twelve trillion, three hundred thirteen billion, one hundred thirty-one million, three hundred twenty thousand, one hundred twenty-two".