231310032222 has 8 divisors (see below), whose sum is σ = 462620064456. Its totient is φ = 77103344072.

The previous prime is 231310032133. The next prime is 231310032253. The reversal of 231310032222 is 222230013132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

231310032222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19275836013 + ... + 19275836024.

It is an arithmetic number, because the mean of its divisors is an integer number (57827508057).

Almost surely, 2^231310032222 is an apocalyptic number.

231310032222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231310032222 is a wasteful number, since it uses less digits than its factorization.

231310032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38551672042.

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

Adding to 231310032222 its reverse (222230013132), we get a palindrome (453540045354).

The spelling of 231310032222 in words is "two hundred thirty-one billion, three hundred ten million, thirty-two thousand, two hundred twenty-two".