230643313 has 2 divisors, whose sum is σ = 230643314. Its totient is φ = 230643312.

The previous prime is 230643277. The next prime is 230643319. The reversal of 230643313 is 313346032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221206129 + 9437184 = 14873^2 + 3072^2 .

It is a cyclic number.

It is not a de Polignac number, because 230643313 - 2¹³ = 230635121 is a prime.

It is not a weakly prime, because it can be changed into another prime (230643319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115321656 + 115321657.

It is an arithmetic number, because the mean of its divisors is an integer number (115321657).

Almost surely, 2^230643313 is an apocalyptic number.

It is an amenable number.

230643313 is a deficient number, since it is larger than the sum of its proper divisors (1).

230643313 is an equidigital number, since it uses as much as digits as its factorization.

230643313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 230643313 is about 15186.9454795887. The cubic root of 230643313 is about 613.2632721314.

Adding to 230643313 its reverse (313346032), we get a palindrome (543989345).

The spelling of 230643313 in words is "two hundred thirty million, six hundred forty-three thousand, three hundred thirteen".