13192279231 has 4 divisors (see below), whose sum is σ = 13194365392. Its totient is φ = 13190193072.

The previous prime is 13192279229. The next prime is 13192279279. The reversal of 13192279231 is 13297229131.

13192279231 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 is a cyclic number.

It is not a de Polignac number, because 13192279231 - 2¹ = 13192279229 is a prime.

It is a super-2 number, since 2×13192279231² (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 (13192279031) 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, 1033566 + ... + 1046251.

It is an arithmetic number, because the mean of its divisors is an integer number (3298591348).

Almost surely, 2^13192279231 is an apocalyptic number.

13192279231 is a deficient number, since it is larger than the sum of its proper divisors (2086161).

13192279231 is an equidigital number, since it uses as much as digits as its factorization.

13192279231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086160.

The product of its digits is 40824, while the sum is 40.

The spelling of 13192279231 in words is "thirteen billion, one hundred ninety-two million, two hundred seventy-nine thousand, two hundred thirty-one".