231316468839 has 6 divisors (see below), whose sum is σ = 334123788336. Its totient is φ = 154210979220.

The previous prime is 231316468837. The next prime is 231316468847. The reversal of 231316468839 is 938864613132.

231316468839 is a `hidden beast` number, since 231 + 316 + 4 + 68 + 8 + 39 = 666.

It is not a de Polignac number, because 231316468839 - 2¹ = 231316468837 is a prime.

It is a super-2 number, since 2×231316468839² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231316468837) 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, 12850914927 + ... + 12850914944.

It is an arithmetic number, because the mean of its divisors is an integer number (55687298056).

Almost surely, 2^231316468839 is an apocalyptic number.

231316468839 is a deficient number, since it is larger than the sum of its proper divisors (102807319497).

231316468839 is a wasteful number, since it uses less digits than its factorization.

231316468839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25701829877 (or 25701829874 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The spelling of 231316468839 in words is "two hundred thirty-one billion, three hundred sixteen million, four hundred sixty-eight thousand, eight hundred thirty-nine".