231310023210 has 192 divisors, whose sum is σ = 693433757952. Its totient is φ = 52401927168.

The previous prime is 231310023179. The next prime is 231310023239. The reversal of 231310023210 is 12320013132.

231310023210 is a `hidden beast` number, since 2 + 31 + 310 + 0 + 2 + 321 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66715897 + ... + 66719363.

It is an arithmetic number, because the mean of its divisors is an integer number (3611634156).

Almost surely, 2^231310023210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231310023210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346716878976).

231310023210 is an abundant number, since it is smaller than the sum of its proper divisors (462123734742).

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

231310023210 is a wasteful number, since it uses less digits than its factorization.

231310023210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397 (or 4394 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231310023210 its reverse (12320013132), we get a palindrome (243630036342).

The spelling of 231310023210 in words is "two hundred thirty-one billion, three hundred ten million, twenty-three thousand, two hundred ten".