231730113993 has 8 divisors (see below), whose sum is σ = 353112554688. Its totient is φ = 132417207984.

The previous prime is 231730113971. The next prime is 231730113997. The reversal of 231730113993 is 399311037132.

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

It is not a de Polignac number, because 231730113993 - 2⁶ = 231730113929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231730113997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5517383646 + ... + 5517383687.

It is an arithmetic number, because the mean of its divisors is an integer number (44139069336).

Almost surely, 2^231730113993 is an apocalyptic number.

It is an amenable number.

231730113993 is a deficient number, since it is larger than the sum of its proper divisors (121382440695).

231730113993 is a wasteful number, since it uses less digits than its factorization.

231730113993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11034767343.

The product of its (nonzero) digits is 91854, while the sum is 42.

The spelling of 231730113993 in words is "two hundred thirty-one billion, seven hundred thirty million, one hundred thirteen thousand, nine hundred ninety-three".