231373488817 has 16 divisors (see below), whose sum is σ = 245026728000. Its totient is φ = 217868975424.

The previous prime is 231373488767. The next prime is 231373488821. The reversal of 231373488817 is 718884373132.

It is a cyclic number.

It is not a de Polignac number, because 231373488817 - 2¹¹ = 231373486769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231373488877) 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 15 ways as a sum of consecutive naturals, for example, 7783659 + ... + 7813327.

It is an arithmetic number, because the mean of its divisors is an integer number (15314170500).

Almost surely, 2^231373488817 is an apocalyptic number.

It is an amenable number.

231373488817 is a deficient number, since it is larger than the sum of its proper divisors (13653239183).

231373488817 is a wasteful number, since it uses less digits than its factorization.

231373488817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32160.

The product of its digits is 5419008, while the sum is 55.

The spelling of 231373488817 in words is "two hundred thirty-one billion, three hundred seventy-three million, four hundred eighty-eight thousand, eight hundred seventeen".