233131230251 has 2 divisors, whose sum is σ = 233131230252. Its totient is φ = 233131230250.

The previous prime is 233131230191. The next prime is 233131230253. The reversal of 233131230251 is 152032131332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 233131230251 - 2³⁰ = 232057488427 is a prime.

Together with 233131230253, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233131230251.

It is not a weakly prime, because it can be changed into another prime (233131230253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116565615125 + 116565615126.

It is an arithmetic number, because the mean of its divisors is an integer number (116565615126).

Almost surely, 2^233131230251 is an apocalyptic number.

233131230251 is a deficient number, since it is larger than the sum of its proper divisors (1).

233131230251 is an equidigital number, since it uses as much as digits as its factorization.

233131230251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 233131230251 its reverse (152032131332), we get a palindrome (385163361583).

The spelling of 233131230251 in words is "two hundred thirty-three billion, one hundred thirty-one million, two hundred thirty thousand, two hundred fifty-one".