231730113994 has 32 divisors (see below), whose sum is σ = 364354200000. Its totient is φ = 110389851264.

The previous prime is 231730113971. The next prime is 231730113997. The reversal of 231730113994 is 499311037132.

It is a self number, because there is not a number n which added to its sum of digits gives 231730113994.

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 15 ways as a sum of consecutive naturals, for example, 2530857 + ... + 2620819.

It is an arithmetic number, because the mean of its divisors is an integer number (11386068750).

Almost surely, 2^231730113994 is an apocalyptic number.

231730113994 is a deficient number, since it is larger than the sum of its proper divisors (132624086006).

231730113994 is a wasteful number, since it uses less digits than its factorization.

231730113994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90582.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 231730113994 in words is "two hundred thirty-one billion, seven hundred thirty million, one hundred thirteen thousand, nine hundred ninety-four".