231317090199 has 128 divisors (see below), whose sum is σ = 383820595200. Its totient is φ = 136782950400.

The previous prime is 231317090183. The next prime is 231317090201. The reversal of 231317090199 is 991090713132.

231317090199 is a `hidden beast` number, since 231 + 317 + 0 + 90 + 19 + 9 = 666.

It is not a de Polignac number, because 231317090199 - 2⁴ = 231317090183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231317090399) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 482916442 + ... + 482916920.

It is an arithmetic number, because the mean of its divisors is an integer number (2998598400).

Almost surely, 2^231317090199 is an apocalyptic number.

231317090199 is a deficient number, since it is larger than the sum of its proper divisors (152503505001).

231317090199 is a wasteful number, since it uses less digits than its factorization.

231317090199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The spelling of 231317090199 in words is "two hundred thirty-one billion, three hundred seventeen million, ninety thousand, one hundred ninety-nine".