13012332131 has 4 divisors (see below), whose sum is σ = 13158538200. Its totient is φ = 12866126064.

The previous prime is 13012332079. The next prime is 13012332143. The reversal of 13012332131 is 13123321031.

13012332131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13123321031 = 173 ⋅75857347.

It is a cyclic number.

It is not a de Polignac number, because 13012332131 - 2²⁶ = 12945223267 is a prime.

It is a super-2 number, since 2×13012332131² (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 (13012932131) 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 3 ways as a sum of consecutive naturals, for example, 73102901 + ... + 73103078.

It is an arithmetic number, because the mean of its divisors is an integer number (3289634550).

Almost surely, 2^13012332131 is an apocalyptic number.

13012332131 is a deficient number, since it is larger than the sum of its proper divisors (146206069).

13012332131 is an equidigital number, since it uses as much as digits as its factorization.

13012332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146206068.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13012332131 its reverse (13123321031), we get a palindrome (26135653162).

The spelling of 13012332131 in words is "thirteen billion, twelve million, three hundred thirty-two thousand, one hundred thirty-one".