231313220110 has 32 divisors (see below), whose sum is σ = 476943348672. Its totient is φ = 79124221440.

The previous prime is 231313220093. The next prime is 231313220113. The reversal of 231313220110 is 11022313132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231313220113) 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, 3785481 + ... + 3846100.

It is an arithmetic number, because the mean of its divisors is an integer number (14904479646).

Almost surely, 2^231313220110 is an apocalyptic number.

231313220110 is an abundant number, since it is smaller than the sum of its proper divisors (245630128562).

231313220110 is a wasteful number, since it uses less digits than its factorization.

231313220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632028.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231313220110 its reverse (11022313132), we get a palindrome (242335533242).

The spelling of 231313220110 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred twenty thousand, one hundred ten".