13131322323 has 16 divisors (see below), whose sum is σ = 20193212160. Its totient is φ = 7434770976.

The previous prime is 13131322307. The next prime is 13131322331. The reversal of 13131322323 is 32322313131.

It is not a de Polignac number, because 13131322323 - 2⁴ = 13131322307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13131322293 and 13131322302.

It is not an unprimeable number, because it can be changed into a prime (13131322723) 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, 2866065 + ... + 2870642.

It is an arithmetic number, because the mean of its divisors is an integer number (1262075760).

Almost surely, 2^13131322323 is an apocalyptic number.

13131322323 is a deficient number, since it is larger than the sum of its proper divisors (7061889837).

13131322323 is a wasteful number, since it uses less digits than its factorization.

13131322323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736826.

The product of its digits is 1944, while the sum is 24.

Adding to 13131322323 its reverse (32322313131), we get a palindrome (45453635454).

The spelling of 13131322323 in words is "thirteen billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred twenty-three".