231013220222 has 16 divisors (see below), whose sum is σ = 376524096000. Its totient is φ = 105897400920.

The previous prime is 231013220213. The next prime is 231013220227. The reversal of 231013220222 is 222022310132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231013220194 and 231013220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231013220227) 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, 98051972 + ... + 98054327.

It is an arithmetic number, because the mean of its divisors is an integer number (23532756000).

Almost surely, 2^231013220222 is an apocalyptic number.

231013220222 is a deficient number, since it is larger than the sum of its proper divisors (145510875778).

231013220222 is a wasteful number, since it uses less digits than its factorization.

231013220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196106351.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 231013220222 its reverse (222022310132), we get a palindrome (453035530354).

The spelling of 231013220222 in words is "two hundred thirty-one billion, thirteen million, two hundred twenty thousand, two hundred twenty-two".