231331331023233 has 32 divisors (see below), whose sum is σ = 364692545064960. Its totient is φ = 127619767598400.

The previous prime is 231331331023223. The next prime is 231331331023241. The reversal of 231331331023233 is 332320133133132.

It is not a de Polignac number, because 231331331023233 - 2²⁴ = 231331314246017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231331331023194 and 231331331023203.

It is not an unprimeable number, because it can be changed into a prime (231331331023223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9953293 + ... + 23700858.

It is an arithmetic number, because the mean of its divisors is an integer number (11396642033280).

Almost surely, 2^{231331331023233} is an apocalyptic number.

It is an amenable number.

231331331023233 is a deficient number, since it is larger than the sum of its proper divisors (133361214041727).

231331331023233 is a wasteful number, since it uses less digits than its factorization.

231331331023233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33665477.

The product of its (nonzero) digits is 52488, while the sum is 33.

Adding to 231331331023233 its reverse (332320133133132), we get a palindrome (563651464156365).

The spelling of 231331331023233 in words is "two hundred thirty-one trillion, three hundred thirty-one billion, three hundred thirty-one million, twenty-three thousand, two hundred thirty-three".