233031323321331 has 16 divisors (see below), whose sum is σ = 311456031664800. Its totient is φ = 154980437955840.

The previous prime is 233031323321327. The next prime is 233031323321333. The reversal of 233031323321331 is 133123323130332.

It is not a de Polignac number, because 233031323321331 - 2² = 233031323321327 is a prime.

It is a super-2 number, since 2×233031323321331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233031323321292 and 233031323321301.

It is not an unprimeable number, because it can be changed into a prime (233031323321333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38496445 + ... + 44136593.

It is an arithmetic number, because the mean of its divisors is an integer number (19466001979050).

Almost surely, 2^{233031323321331} is an apocalyptic number.

233031323321331 is a deficient number, since it is larger than the sum of its proper divisors (78424708343469).

233031323321331 is a wasteful number, since it uses less digits than its factorization.

233031323321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673286.

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

Adding to 233031323321331 its reverse (133123323130332), we get a palindrome (366154646451663).

The spelling of 233031323321331 in words is "two hundred thirty-three trillion, thirty-one billion, three hundred twenty-three million, three hundred twenty-one thousand, three hundred thirty-one".