12331033231 has 16 divisors (see below), whose sum is σ = 14174259840. Its totient is φ = 10609362720.

The previous prime is 12331033229. The next prime is 12331033237. The reversal of 12331033231 is 13233013321.

It is not a de Polignac number, because 12331033231 - 2¹ = 12331033229 is a prime.

It is a super-2 number, since 2×12331033231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331033237) 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, 182596 + ... + 240838.

It is an arithmetic number, because the mean of its divisors is an integer number (885891240).

Almost surely, 2^12331033231 is an apocalyptic number.

12331033231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12331033231 is a deficient number, since it is larger than the sum of its proper divisors (1843226609).

12331033231 is a wasteful number, since it uses less digits than its factorization.

12331033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59286.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12331033231 its reverse (13233013321), we get a palindrome (25564046552).

The spelling of 12331033231 in words is "twelve billion, three hundred thirty-one million, thirty-three thousand, two hundred thirty-one".