231313201122 has 16 divisors (see below), whose sum is σ = 464664406752. Its totient is φ = 76764732960.

The previous prime is 231313201109. The next prime is 231313201159. The reversal of 231313201122 is 221102313132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84915379 + ... + 84918102.

It is an arithmetic number, because the mean of its divisors is an integer number (29041525422).

Almost surely, 2^231313201122 is an apocalyptic number.

231313201122 is an abundant number, since it is smaller than the sum of its proper divisors (233351205630).

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

231313201122 is a wasteful number, since it uses less digits than its factorization.

231313201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169833713.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231313201122 its reverse (221102313132), we get a palindrome (452415514254).

The spelling of 231313201122 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred one thousand, one hundred twenty-two".