231120432222 has 16 divisors (see below), whose sum is σ = 462245646720. Its totient is φ = 77039347032.

The previous prime is 231120432157. The next prime is 231120432227. The reversal of 231120432222 is 222234021132.

It is a junction number, because it is equal to n+sod(n) for n = 231120432192 and 231120432201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231120432227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872193 + ... + 1105875.

It is an arithmetic number, because the mean of its divisors is an integer number (28890352920).

Almost surely, 2^231120432222 is an apocalyptic number.

231120432222 is an abundant number, since it is smaller than the sum of its proper divisors (231125214498).

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

231120432222 is a wasteful number, since it uses less digits than its factorization.

231120432222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398527.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231120432222 its reverse (222234021132), we get a palindrome (453354453354).

The spelling of 231120432222 in words is "two hundred thirty-one billion, one hundred twenty million, four hundred thirty-two thousand, two hundred twenty-two".