231311312230 has 8 divisors (see below), whose sum is σ = 416360362032. Its totient is φ = 92524524888.

The previous prime is 231311312189. The next prime is 231311312233. The reversal of 231311312230 is 32213113132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231311312233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11565565602 + ... + 11565565621.

It is an arithmetic number, because the mean of its divisors is an integer number (52045045254).

Almost surely, 2^231311312230 is an apocalyptic number.

231311312230 is a deficient number, since it is larger than the sum of its proper divisors (185049049802).

231311312230 is a wasteful number, since it uses less digits than its factorization.

231311312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23131131230.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231311312230 its reverse (32213113132), we get a palindrome (263524425362).

The spelling of 231311312230 in words is "two hundred thirty-one billion, three hundred eleven million, three hundred twelve thousand, two hundred thirty".