231612682819 has 24 divisors (see below), whose sum is σ = 279782198880. Its totient is φ = 187795625472.

The previous prime is 231612682813. The next prime is 231612682831. The reversal of 231612682819 is 918286216132.

It is not a de Polignac number, because 231612682819 - 2³³ = 223022748227 is a prime.

It is a super-2 number, since 2×231612682819² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231612682813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1632577 + ... + 1768765.

It is an arithmetic number, because the mean of its divisors is an integer number (11657591620).

Almost surely, 2^231612682819 is an apocalyptic number.

231612682819 is a deficient number, since it is larger than the sum of its proper divisors (48169516061).

231612682819 is a wasteful number, since it uses less digits than its factorization.

231612682819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136907 (or 136888 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The spelling of 231612682819 in words is "two hundred thirty-one billion, six hundred twelve million, six hundred eighty-two thousand, eight hundred nineteen".