231311122233 has 16 divisors (see below), whose sum is σ = 314996422656. Its totient is φ = 150917026320.

The previous prime is 231311122177. The next prime is 231311122243. The reversal of 231311122233 is 332221113132.

It is not a de Polignac number, because 231311122233 - 2⁶ = 231311122169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231311122243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782278 + ... + 2864208.

It is an arithmetic number, because the mean of its divisors is an integer number (19687276416).

Almost surely, 2^231311122233 is an apocalyptic number.

It is an amenable number.

231311122233 is a deficient number, since it is larger than the sum of its proper divisors (83685300423).

231311122233 is a wasteful number, since it uses less digits than its factorization.

231311122233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102004.

The product of its digits is 1296, while the sum is 24.

Adding to 231311122233 its reverse (332221113132), we get a palindrome (563532235365).

The spelling of 231311122233 in words is "two hundred thirty-one billion, three hundred eleven million, one hundred twenty-two thousand, two hundred thirty-three".