231590300869878 has 8 divisors (see below), whose sum is σ = 463180601739768. Its totient is φ = 77196766956624.

The previous prime is 231590300869841. The next prime is 231590300869891. The reversal of 231590300869878 is 878968003095132.

It is a happy number.

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

231590300869878 is an admirable number.

It is a super-2 number, since 2×231590300869878² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19299191739151 + ... + 19299191739162.

It is an arithmetic number, because the mean of its divisors is an integer number (57897575217471).

Almost surely, 2^{231590300869878} is an apocalyptic number.

231590300869878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231590300869878 is a wasteful number, since it uses less digits than its factorization.

231590300869878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38598383478318.

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 231590300869878 in words is "two hundred thirty-one trillion, five hundred ninety billion, three hundred million, eight hundred sixty-nine thousand, eight hundred seventy-eight".