231311104022 has 16 divisors (see below), whose sum is σ = 350372524320. Its totient is φ = 114520501632.

The previous prime is 231311104021. The next prime is 231311104147. The reversal of 231311104022 is 220401113132.

It is a junction number, because it is equal to n+sod(n) for n = 231311103985 and 231311104003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231311104021) 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, 2064968 + ... + 2174100.

It is an arithmetic number, because the mean of its divisors is an integer number (21898282770).

Almost surely, 2^231311104022 is an apocalyptic number.

231311104022 is a deficient number, since it is larger than the sum of its proper divisors (119061420298).

231311104022 is a wasteful number, since it uses less digits than its factorization.

231311104022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119527.

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

Adding to 231311104022 its reverse (220401113132), we get a palindrome (451712217154).

The spelling of 231311104022 in words is "two hundred thirty-one billion, three hundred eleven million, one hundred four thousand, twenty-two".