231188981683 has 16 divisors (see below), whose sum is σ = 252762624000. Its totient is φ = 209708481600.

The previous prime is 231188981659. The next prime is 231188981687. The reversal of 231188981683 is 386189881132.

It is a cyclic number.

It is not a de Polignac number, because 231188981683 - 2⁵ = 231188981651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231188981687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13338663 + ... + 13355983.

It is an arithmetic number, because the mean of its divisors is an integer number (15797664000).

Almost surely, 2^231188981683 is an apocalyptic number.

231188981683 is a deficient number, since it is larger than the sum of its proper divisors (21573642317).

231188981683 is a wasteful number, since it uses less digits than its factorization.

231188981683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19938.

The product of its digits is 3981312, while the sum is 58.

The spelling of 231188981683 in words is "two hundred thirty-one billion, one hundred eighty-eight million, nine hundred eighty-one thousand, six hundred eighty-three".