312331103132031 has 12 divisors (see below), whose sum is σ = 451197834670752. Its totient is φ = 208196316379296.

The previous prime is 312331103132029. The next prime is 312331103132033. The reversal of 312331103132031 is 130231301133213.

312331103132031 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 311 + 0 + 313 + 2 + 0 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (312331103132029) and next prime (312331103132033).

It is not a de Polignac number, because 312331103132031 - 2¹ = 312331103132029 is a prime.

It is a super-2 number, since 2×312331103132031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312331103131986 and 312331103132004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312331103132033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2034839166 + ... + 2034992651.

It is an arithmetic number, because the mean of its divisors is an integer number (37599819555896).

Almost surely, 2^{312331103132031} is an apocalyptic number.

312331103132031 is a deficient number, since it is larger than the sum of its proper divisors (138866731538721).

312331103132031 is a wasteful number, since it uses less digits than its factorization.

312331103132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069840350 (or 4069840347 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 312331103132031 its reverse (130231301133213), we get a palindrome (442562404265244).

The spelling of 312331103132031 in words is "three hundred twelve trillion, three hundred thirty-one billion, one hundred three million, one hundred thirty-two thousand, thirty-one".