12312031102031 has 16 divisors (see below), whose sum is σ = 13143987648000. Its totient is φ = 11498505530400.

The previous prime is 12312031101943. The next prime is 12312031102037. The reversal of 12312031102031 is 13020113021321.

It is a happy number.

It is not a de Polignac number, because 12312031102031 - 2³⁴ = 12294851232847 is a prime.

It is a super-2 number, since 2×12312031102031² (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 = 12312031101994 and 12312031102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312031102037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12123686 + ... + 13099916.

It is an arithmetic number, because the mean of its divisors is an integer number (821499228000).

Almost surely, 2^{12312031102031} is an apocalyptic number.

12312031102031 is a deficient number, since it is larger than the sum of its proper divisors (831956545969).

12312031102031 is an equidigital number, since it uses as much as digits as its factorization.

12312031102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985670.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12312031102031 its reverse (13020113021321), we get a palindrome (25332144123352).

The spelling of 12312031102031 in words is "twelve trillion, three hundred twelve billion, thirty-one million, one hundred two thousand, thirty-one".