230330311157 has 2 divisors, whose sum is σ = 230330311158. Its totient is φ = 230330311156.

The previous prime is 230330311153. The next prime is 230330311207. The reversal of 230330311157 is 751113033032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218463694801 + 11866616356 = 467401^2 + 108934^2 .

It is a cyclic number.

It is not a de Polignac number, because 230330311157 - 2² = 230330311153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230330311153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115165155578 + 115165155579.

It is an arithmetic number, because the mean of its divisors is an integer number (115165155579).

Almost surely, 2^230330311157 is an apocalyptic number.

It is an amenable number.

230330311157 is a deficient number, since it is larger than the sum of its proper divisors (1).

230330311157 is an equidigital number, since it uses as much as digits as its factorization.

230330311157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 29.

Adding to 230330311157 its reverse (751113033032), we get a palindrome (981443344189).

The spelling of 230330311157 in words is "two hundred thirty billion, three hundred thirty million, three hundred eleven thousand, one hundred fifty-seven".