11313131999 has 32 divisors (see below), whose sum is σ = 12646233600. Its totient is φ = 10054171008.

The previous prime is 11313131957. The next prime is 11313132031. The reversal of 11313131999 is 99913131311.

11313131999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11313131999 - 2²⁸ = 11044696543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313131939) 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 31 ways as a sum of consecutive naturals, for example, 20094092 + ... + 20094654.

It is an arithmetic number, because the mean of its divisors is an integer number (395194800).

Almost surely, 2^11313131999 is an apocalyptic number.

11313131999 is a deficient number, since it is larger than the sum of its proper divisors (1333101601).

11313131999 is a wasteful number, since it uses less digits than its factorization.

11313131999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071.

The product of its digits is 19683, while the sum is 41.

The spelling of 11313131999 in words is "eleven billion, three hundred thirteen million, one hundred thirty-one thousand, nine hundred ninety-nine".