231323320222 has 8 divisors (see below), whose sum is σ = 346996664496. Its totient is φ = 115657765392.

The previous prime is 231323320169. The next prime is 231323320253. The reversal of 231323320222 is 222023323132.

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

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, 1872543 + ... + 1992250.

It is an arithmetic number, because the mean of its divisors is an integer number (43374583062).

Almost surely, 2^231323320222 is an apocalyptic number.

231323320222 is a deficient number, since it is larger than the sum of its proper divisors (115673344274).

231323320222 is a wasteful number, since it uses less digits than its factorization.

231323320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894722.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 231323320222 its reverse (222023323132), we get a palindrome (453346643354).

The spelling of 231323320222 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred twenty thousand, two hundred twenty-two".