231213010110 has 256 divisors, whose sum is σ = 605266421760. Its totient is φ = 56376320000.

The previous prime is 231213010097. The next prime is 231213010159. The reversal of 231213010110 is 11010312132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 231213010110.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 329832760 + ... + 329833460.

It is an arithmetic number, because the mean of its divisors is an integer number (2364321960).

Almost surely, 2^231213010110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231213010110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302633210880).

231213010110 is an abundant number, since it is smaller than the sum of its proper divisors (374053411650).

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

231213010110 is a wasteful number, since it uses less digits than its factorization.

231213010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231213010110 its reverse (11010312132), we get a palindrome (242223322242).

The spelling of 231213010110 in words is "two hundred thirty-one billion, two hundred thirteen million, ten thousand, one hundred ten".