13231039999 has 4 divisors (see below), whose sum is σ = 13233412080. Its totient is φ = 13228667920.

The previous prime is 13231039993. The next prime is 13231040023. The reversal of 13231039999 is 99993013231.

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 13231039999 - 2⁹ = 13231039487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231039993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177654 + ... + 1188835.

It is an arithmetic number, because the mean of its divisors is an integer number (3308353020).

Almost surely, 2^13231039999 is an apocalyptic number.

13231039999 is a deficient number, since it is larger than the sum of its proper divisors (2372081).

13231039999 is an equidigital number, since it uses as much as digits as its factorization.

13231039999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372080.

The product of its (nonzero) digits is 354294, while the sum is 49.

The spelling of 13231039999 in words is "thirteen billion, two hundred thirty-one million, thirty-nine thousand, nine hundred ninety-nine".