12312230323131 has 48 divisors (see below), whose sum is σ = 18466470550528. Its totient is φ = 7896482510400.

The previous prime is 12312230323049. The next prime is 12312230323153. The reversal of 12312230323131 is 13132303221321.

12312230323131 is a `hidden beast` number, since 1 + 2 + 3 + 122 + 303 + 231 + 3 + 1 = 666.

It is not a de Polignac number, because 12312230323131 - 2³⁰ = 12311156581307 is a prime.

It is a super-2 number, since 2×12312230323131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12312230323095 and 12312230323104.

It is not an unprimeable number, because it can be changed into a prime (12312230324131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136655760 + ... + 136745826.

Almost surely, 2^{12312230323131} is an apocalyptic number.

12312230323131 is a deficient number, since it is larger than the sum of its proper divisors (6154240227397).

12312230323131 is a wasteful number, since it uses less digits than its factorization.

12312230323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92992 (or 92989 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12312230323131 its reverse (13132303221321), we get a palindrome (25444533544452).

The spelling of 12312230323131 in words is "twelve trillion, three hundred twelve billion, two hundred thirty million, three hundred twenty-three thousand, one hundred thirty-one".