13203222313 has 4 divisors (see below), whose sum is σ = 13220664580. Its totient is φ = 13185780048.

The previous prime is 13203222271. The next prime is 13203222317. The reversal of 13203222313 is 31322230231.

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 9846989824 + 3356232489 = 99232^2 + 57933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13203222313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13203222317) 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, 8719998 + ... + 8721511.

It is an arithmetic number, because the mean of its divisors is an integer number (3305166145).

Almost surely, 2^13203222313 is an apocalyptic number.

It is an amenable number.

13203222313 is a deficient number, since it is larger than the sum of its proper divisors (17442267).

13203222313 is an equidigital number, since it uses as much as digits as its factorization.

13203222313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17442266.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13203222313 its reverse (31322230231), we get a palindrome (44525452544).

The spelling of 13203222313 in words is "thirteen billion, two hundred three million, two hundred twenty-two thousand, three hundred thirteen".