231322113222 has 64 divisors (see below), whose sum is σ = 485508945600. Its totient is φ = 73395638784.

The previous prime is 231322113203. The next prime is 231322113241. The reversal of 231322113222 is 222311223132.

It is an interprime number because it is at equal distance from previous prime (231322113203) and next prime (231322113241).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 231322113192 and 231322113201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4078168 + ... + 4134500.

It is an arithmetic number, because the mean of its divisors is an integer number (7586077275).

Almost surely, 2^231322113222 is an apocalyptic number.

231322113222 is an abundant number, since it is smaller than the sum of its proper divisors (254186832378).

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

231322113222 is a wasteful number, since it uses less digits than its factorization.

231322113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56777.

The product of its digits is 1728, while the sum is 24.

Adding to 231322113222 its reverse (222311223132), we get a palindrome (453633336354).

The spelling of 231322113222 in words is "two hundred thirty-one billion, three hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-two".