231438107804499 has 10 divisors (see below), whose sum is σ = 345728531411780. Its totient is φ = 154292071869612.

The previous prime is 231438107804473. The next prime is 231438107804521. The reversal of 231438107804499 is 994408701834132.

231438107804499 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 3 + 8 + 107 + 80 + 449 + 9 = 666.

It is not a de Polignac number, because 231438107804499 - 2³⁵ = 231403748066131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231438107804459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1428630295009 + ... + 1428630295170.

It is an arithmetic number, because the mean of its divisors is an integer number (34572853141178).

Almost surely, 2^{231438107804499} is an apocalyptic number.

231438107804499 is a deficient number, since it is larger than the sum of its proper divisors (114290423607281).

231438107804499 is an equidigital number, since it uses as much as digits as its factorization.

231438107804499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857260590191 (or 2857260590182 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 231438107804499 in words is "two hundred thirty-one trillion, four hundred thirty-eight billion, one hundred seven million, eight hundred four thousand, four hundred ninety-nine".