13213131999 has 8 divisors (see below), whose sum is σ = 17696512512. Its totient is φ = 8769253080.

The previous prime is 13213131941. The next prime is 13213132027. The reversal of 13213131999 is 99913131231.

13213131999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13213131999 - 2¹⁵ = 13213099231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13213131999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213131929) 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 7 ways as a sum of consecutive naturals, for example, 9874617 + ... + 9875954.

It is an arithmetic number, because the mean of its divisors is an integer number (2212064064).

Almost surely, 2^13213131999 is an apocalyptic number.

13213131999 is a deficient number, since it is larger than the sum of its proper divisors (4483380513).

13213131999 is a wasteful number, since it uses less digits than its factorization.

13213131999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19750797.

The product of its digits is 39366, while the sum is 42.

The spelling of 13213131999 in words is "thirteen billion, two hundred thirteen million, one hundred thirty-one thousand, nine hundred ninety-nine".