231373488818 has 8 divisors (see below), whose sum is σ = 352240236912. Its totient is φ = 113960076516.

The previous prime is 231373488767. The next prime is 231373488821. The reversal of 231373488818 is 818884373132.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 863333780 + ... + 863334047.

It is an arithmetic number, because the mean of its divisors is an integer number (44030029614).

Almost surely, 2^231373488818 is an apocalyptic number.

231373488818 is a deficient number, since it is larger than the sum of its proper divisors (120866748094).

231373488818 is a wasteful number, since it uses less digits than its factorization.

231373488818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726667896.

The product of its digits is 6193152, while the sum is 56.

The spelling of 231373488818 in words is "two hundred thirty-one billion, three hundred seventy-three million, four hundred eighty-eight thousand, eight hundred eighteen".