12031010131 has 24 divisors (see below), whose sum is σ = 15074878464. Its totient is φ = 9545714640.

The previous prime is 12031010077. The next prime is 12031010149. The reversal of 12031010131 is 13101013021.

12031010131 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 12031010131 - 2⁷ = 12031010003 is a prime.

It is a super-2 number, since 2×12031010131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031010231) 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 23 ways as a sum of consecutive naturals, for example, 137245 + ... + 207118.

It is an arithmetic number, because the mean of its divisors is an integer number (628119936).

Almost surely, 2^12031010131 is an apocalyptic number.

12031010131 is a deficient number, since it is larger than the sum of its proper divisors (3043868333).

12031010131 is a wasteful number, since it uses less digits than its factorization.

12031010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344431 (or 344424 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 12031010131 its reverse (13101013021), we get a palindrome (25132023152).

The spelling of 12031010131 in words is "twelve billion, thirty-one million, ten thousand, one hundred thirty-one".