231310023230 has 64 divisors (see below), whose sum is σ = 489229590528. Its totient is φ = 77629560960.

The previous prime is 231310023179. The next prime is 231310023239. The reversal of 231310023230 is 32320013132.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231310023239) 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 31 ways as a sum of consecutive naturals, for example, 12808067 + ... + 12826113.

It is an arithmetic number, because the mean of its divisors is an integer number (7644212352).

Almost surely, 2^231310023230 is an apocalyptic number.

231310023230 is an abundant number, since it is smaller than the sum of its proper divisors (257919567298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231310023230 is a wasteful number, since it uses less digits than its factorization.

231310023230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27041.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231310023230 its reverse (32320013132), we get a palindrome (263630036362).

The spelling of 231310023230 in words is "two hundred thirty-one billion, three hundred ten million, twenty-three thousand, two hundred thirty".