12031110231 has 16 divisors (see below), whose sum is σ = 18397910784. Its totient is φ = 6850623744.

The previous prime is 12031110211. The next prime is 12031110253. The reversal of 12031110231 is 13201113021.

It is a happy number.

12031110231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12031110231 - 2¹⁸ = 12030848087 is a prime.

It is a super-2 number, since 2×12031110231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12031110231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031110211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006266 + ... + 1018151.

It is an arithmetic number, because the mean of its divisors is an integer number (1149869424).

Almost surely, 2^12031110231 is an apocalyptic number.

12031110231 is a deficient number, since it is larger than the sum of its proper divisors (6366800553).

12031110231 is a wasteful number, since it uses less digits than its factorization.

12031110231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024710.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12031110231 its reverse (13201113021), we get a palindrome (25232223252).

The spelling of 12031110231 in words is "twelve billion, thirty-one million, one hundred ten thousand, two hundred thirty-one".