13231031339 has 2 divisors, whose sum is σ = 13231031340. Its totient is φ = 13231031338.

The previous prime is 13231031287. The next prime is 13231031347. The reversal of 13231031339 is 93313013231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13231031339 - 2²⁰ = 13229982763 is a prime.

It is not a weakly prime, because it can be changed into another prime (13231031839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615515669 + 6615515670.

It is an arithmetic number, because the mean of its divisors is an integer number (6615515670).

Almost surely, 2^13231031339 is an apocalyptic number.

13231031339 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231031339 is an equidigital number, since it uses as much as digits as its factorization.

13231031339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 29.

The spelling of 13231031339 in words is "thirteen billion, two hundred thirty-one million, thirty-one thousand, three hundred thirty-nine".