13323212113 has 4 divisors (see below), whose sum is σ = 13648168548. Its totient is φ = 12998255680.

The previous prime is 13323212101. The next prime is 13323212117. The reversal of 13323212113 is 31121232331.

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 4357584144 + 8965627969 = 66012^2 + 94687^2 .

It is a cyclic number.

It is not a de Polignac number, because 13323212113 - 2²⁵ = 13289657681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13323212117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162478156 + ... + 162478237.

It is an arithmetic number, because the mean of its divisors is an integer number (3412042137).

Almost surely, 2^13323212113 is an apocalyptic number.

It is an amenable number.

13323212113 is a deficient number, since it is larger than the sum of its proper divisors (324956435).

13323212113 is an equidigital number, since it uses as much as digits as its factorization.

13323212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324956434.

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

Adding to 13323212113 its reverse (31121232331), we get a palindrome (44444444444).

The spelling of 13323212113 in words is "thirteen billion, three hundred twenty-three million, two hundred twelve thousand, one hundred thirteen".