230503313 has 2 divisors, whose sum is σ = 230503314. Its totient is φ = 230503312.

The previous prime is 230503279. The next prime is 230503379. The reversal of 230503313 is 313305032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194407249 + 36096064 = 13943^2 + 6008^2 .

It is a cyclic number.

It is not a de Polignac number, because 230503313 - 2²⁶ = 163394449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (230503813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115251656 + 115251657.

It is an arithmetic number, because the mean of its divisors is an integer number (115251657).

Almost surely, 2^230503313 is an apocalyptic number.

It is an amenable number.

230503313 is a deficient number, since it is larger than the sum of its proper divisors (1).

230503313 is an equidigital number, since it uses as much as digits as its factorization.

230503313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 230503313 is about 15182.3355581412. The cubic root of 230503313 is about 613.1391638499.

Adding to 230503313 its reverse (313305032), we get a palindrome (543808345).

The spelling of 230503313 in words is "two hundred thirty million, five hundred three thousand, three hundred thirteen".