231301230222 has 16 divisors (see below), whose sum is σ = 464521975632. Its totient is φ = 76780490880.

The previous prime is 231301230191. The next prime is 231301230229. The reversal of 231301230222 is 222032103132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301230229) 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, 79978233 + ... + 79981124.

It is an arithmetic number, because the mean of its divisors is an integer number (29032623477).

Almost surely, 2^231301230222 is an apocalyptic number.

231301230222 is an abundant number, since it is smaller than the sum of its proper divisors (233220745410).

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

231301230222 is a wasteful number, since it uses less digits than its factorization.

231301230222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159959603.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231301230222 its reverse (222032103132), we get a palindrome (453333333354).

The spelling of 231301230222 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty thousand, two hundred twenty-two".