12331130031 has 12 divisors (see below), whose sum is σ = 19430871720. Its totient is φ = 7473412080.

The previous prime is 12331130011. The next prime is 12331130051. The reversal of 12331130031 is 13003113321.

It is a happy number.

12331130031 is a `hidden beast` number, since 1 + 2 + 331 + 1 + 300 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (12331130011) and next prime (12331130051).

It is not a de Polignac number, because 12331130031 - 2¹¹ = 12331127983 is a prime.

It is a super-2 number, since 2×12331130031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12331129986 and 12331130013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331130011) 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 11 ways as a sum of consecutive naturals, for example, 62278336 + ... + 62278533.

It is an arithmetic number, because the mean of its divisors is an integer number (1619239310).

Almost surely, 2^12331130031 is an apocalyptic number.

12331130031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12331130031 is a deficient number, since it is larger than the sum of its proper divisors (7099741689).

12331130031 is a wasteful number, since it uses less digits than its factorization.

12331130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124556886 (or 124556883 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 12331130031 its reverse (13003113321), we get a palindrome (25334243352).

The spelling of 12331130031 in words is "twelve billion, three hundred thirty-one million, one hundred thirty thousand, thirty-one".