230331264157 has 2 divisors, whose sum is σ = 230331264158. Its totient is φ = 230331264156.

The previous prime is 230331264139. The next prime is 230331264167. The reversal of 230331264157 is 751462133032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200140811641 + 30190452516 = 447371^2 + 173754^2 .

It is a cyclic number.

It is not a de Polignac number, because 230331264157 - 2³¹ = 228183780509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230331264167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115165632078 + 115165632079.

It is an arithmetic number, because the mean of its divisors is an integer number (115165632079).

Almost surely, 2^230331264157 is an apocalyptic number.

It is an amenable number.

230331264157 is a deficient number, since it is larger than the sum of its proper divisors (1).

230331264157 is an equidigital number, since it uses as much as digits as its factorization.

230331264157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 230331264157 its reverse (751462133032), we get a palindrome (981793397189).

The spelling of 230331264157 in words is "two hundred thirty billion, three hundred thirty-one million, two hundred sixty-four thousand, one hundred fifty-seven".