13033431239 has 2 divisors, whose sum is σ = 13033431240. Its totient is φ = 13033431238.

The previous prime is 13033431233. The next prime is 13033431317. The reversal of 13033431239 is 93213433031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13033431239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13033431233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516715619 + 6516715620.

It is an arithmetic number, because the mean of its divisors is an integer number (6516715620).

Almost surely, 2^13033431239 is an apocalyptic number.

13033431239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13033431239 is an equidigital number, since it uses as much as digits as its factorization.

13033431239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 13033431239 in words is "thirteen billion, thirty-three million, four hundred thirty-one thousand, two hundred thirty-nine".