13297079231 has 4 divisors (see below), whose sum is σ = 13301799000. Its totient is φ = 13292359464.

The previous prime is 13297079221. The next prime is 13297079233.

13297079231 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13297079231 - 2³⁰ = 12223337407 is a prime.

It is a super-2 number, since 2×13297079231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13297079233) 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, 2355656 + ... + 2361293.

It is an arithmetic number, because the mean of its divisors is an integer number (3325449750).

Almost surely, 2^13297079231 is an apocalyptic number.

13297079231 is a deficient number, since it is larger than the sum of its proper divisors (4719769).

13297079231 is an equidigital number, since it uses as much as digits as its factorization.

13297079231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719768.

The product of its (nonzero) digits is 142884, while the sum is 44.

The spelling of 13297079231 in words is "thirteen billion, two hundred ninety-seven million, seventy-nine thousand, two hundred thirty-one".