13231203239 has 2 divisors, whose sum is σ = 13231203240. Its totient is φ = 13231203238.

The previous prime is 13231203211. The next prime is 13231203263. The reversal of 13231203239 is 93230213231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13231203239 - 2²⁴ = 13214426023 is a prime.

It is a super-2 number, since 2×13231203239² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231203269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615601619 + 6615601620.

It is an arithmetic number, because the mean of its divisors is an integer number (6615601620).

Almost surely, 2^13231203239 is an apocalyptic number.

13231203239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231203239 is an equidigital number, since it uses as much as digits as its factorization.

13231203239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 13231203239 in words is "thirteen billion, two hundred thirty-one million, two hundred three thousand, two hundred thirty-nine".