231302144022 has 16 divisors (see below), whose sum is σ = 462611154432. Its totient is φ = 77099570280.

The previous prime is 231302144009. The next prime is 231302144167. The reversal of 231302144022 is 220441203132.

It is a happy number.

231302144022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231302143983 and 231302144001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220947 + ... + 715137.

It is an arithmetic number, because the mean of its divisors is an integer number (28913197152).

Almost surely, 2^231302144022 is an apocalyptic number.

231302144022 is an abundant number, since it is smaller than the sum of its proper divisors (231309010410).

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

231302144022 is a wasteful number, since it uses less digits than its factorization.

231302144022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572203.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231302144022 its reverse (220441203132), we get a palindrome (451743347154).

The spelling of 231302144022 in words is "two hundred thirty-one billion, three hundred two million, one hundred forty-four thousand, twenty-two".