131111000321999 has 6 divisors (see below), whose sum is σ = 139277083387344. Its totient is φ = 123398588538080.

The previous prime is 131111000321971. The next prime is 131111000322011. The reversal of 131111000321999 is 999123000111131.

It is not a de Polignac number, because 131111000321999 - 2¹² = 131111000317903 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 (131111000324999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226835640407 + ... + 226835640984.

It is an arithmetic number, because the mean of its divisors is an integer number (23212847231224).

Almost surely, 2^{131111000321999} is an apocalyptic number.

131111000321999 is a deficient number, since it is larger than the sum of its proper divisors (8166083065345).

131111000321999 is an equidigital number, since it uses as much as digits as its factorization.

131111000321999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453671281425 (or 453671281408 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 41.

The spelling of 131111000321999 in words is "one hundred thirty-one trillion, one hundred eleven billion, three hundred twenty-one thousand, nine hundred ninety-nine".