13231122133 has 4 divisors (see below), whose sum is σ = 13236955660. Its totient is φ = 13225288608.

The previous prime is 13231122127. The next prime is 13231122173. The reversal of 13231122133 is 33122113231.

13231122133 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.

It can be written as a sum of positive squares in 2 ways, for example, as 156800484 + 13074321649 = 12522^2 + 114343^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231122133 - 2²⁹ = 12694251221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231122103) 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, 2913360 + ... + 2917897.

It is an arithmetic number, because the mean of its divisors is an integer number (3309238915).

Almost surely, 2^13231122133 is an apocalyptic number.

It is an amenable number.

13231122133 is a deficient number, since it is larger than the sum of its proper divisors (5833527).

13231122133 is an equidigital number, since it uses as much as digits as its factorization.

13231122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833526.

The product of its digits is 648, while the sum is 22.

Adding to 13231122133 its reverse (33122113231), we get a palindrome (46353235364).

The spelling of 13231122133 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-three".