233043931 has 2 divisors, whose sum is σ = 233043932. Its totient is φ = 233043930.

The previous prime is 233043901. The next prime is 233043947. The reversal of 233043931 is 139340332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 233043931 - 2¹⁹ = 232519643 is a prime.

It is a super-2 number, since 2×233043931² = 108618947551865522, which contains 22 as substring.

It is a Chen prime.

It is equal to p_12800638 and since 233043931 and 12800638 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233043931.

It is not a weakly prime, because it can be changed into another prime (233043901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116521965 + 116521966.

It is an arithmetic number, because the mean of its divisors is an integer number (116521966).

Almost surely, 2^233043931 is an apocalyptic number.

233043931 is a deficient number, since it is larger than the sum of its proper divisors (1).

233043931 is an equidigital number, since it uses as much as digits as its factorization.

233043931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 233043931 is about 15265.7764624011. The cubic root of 233043931 is about 615.3836203538.

The spelling of 233043931 in words is "two hundred thirty-three million, forty-three thousand, nine hundred thirty-one".