12331031123131 has 16 divisors (see below), whose sum is σ = 14243137044480. Its totient is φ = 10457021363040.

The previous prime is 12331031123129. The next prime is 12331031123141. The reversal of 12331031123131 is 13132113013321.

It is not a de Polignac number, because 12331031123131 - 2¹ = 12331031123129 is a prime.

It is a super-2 number, since 2×12331031123131² (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 = 12331031123096 and 12331031123105.

It is not an unprimeable number, because it can be changed into a prime (12331031123141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18999340 + ... + 19637641.

It is an arithmetic number, because the mean of its divisors is an integer number (890196065280).

Almost surely, 2^{12331031123131} is an apocalyptic number.

12331031123131 is a deficient number, since it is larger than the sum of its proper divisors (1912105921349).

12331031123131 is a wasteful number, since it uses less digits than its factorization.

12331031123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38637474.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 12331031123131 its reverse (13132113013321), we get a palindrome (25463144136452).

The spelling of 12331031123131 in words is "twelve trillion, three hundred thirty-one billion, thirty-one million, one hundred twenty-three thousand, one hundred thirty-one".