231322111022 has 16 divisors (see below), whose sum is σ = 358960064400. Its totient is φ = 111669022080.

The previous prime is 231322111019. The next prime is 231322111043. The reversal of 231322111022 is 220111223132.

It is a junction number, because it is equal to n+sod(n) for n = 231322110985 and 231322111003.

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, 2611622 + ... + 2698742.

It is an arithmetic number, because the mean of its divisors is an integer number (22435004025).

Almost surely, 2^231322111022 is an apocalyptic number.

231322111022 is a deficient number, since it is larger than the sum of its proper divisors (127637953378).

231322111022 is a wasteful number, since it uses less digits than its factorization.

231322111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132931.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 231322111022 its reverse (220111223132), we get a palindrome (451433334154).

The spelling of 231322111022 in words is "two hundred thirty-one billion, three hundred twenty-two million, one hundred eleven thousand, twenty-two".