231322322130222 has 16 divisors (see below), whose sum is σ = 462715919125632. Its totient is φ = 77095561565880.

The previous prime is 231322322130203. The next prime is 231322322130233. The reversal of 231322322130222 is 222031223223132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 231322322130222.

It is a congruent number.

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, 2969743858 + ... + 2969821749.

It is an arithmetic number, because the mean of its divisors is an integer number (28919744945352).

Almost surely, 2^{231322322130222} is an apocalyptic number.

231322322130222 is an abundant number, since it is smaller than the sum of its proper divisors (231393596995410).

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

231322322130222 is a wasteful number, since it uses less digits than its factorization.

231322322130222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939572103.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 231322322130222 its reverse (222031223223132), we get a palindrome (453353545353354).

The spelling of 231322322130222 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, three hundred twenty-two million, one hundred thirty thousand, two hundred twenty-two".