230531603 has 2 divisors, whose sum is σ = 230531604. Its totient is φ = 230531602.

The previous prime is 230531563. The next prime is 230531629. The reversal of 230531603 is 306135032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230531603 - 2⁸ = 230531347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230531633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115265801 + 115265802.

It is an arithmetic number, because the mean of its divisors is an integer number (115265802).

Almost surely, 2^230531603 is an apocalyptic number.

230531603 is a deficient number, since it is larger than the sum of its proper divisors (1).

230531603 is an equidigital number, since it uses as much as digits as its factorization.

230531603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 230531603 is about 15183.2672043931. The cubic root of 230531603 is about 613.1642466382.

Adding to 230531603 its reverse (306135032), we get a palindrome (536666635).

The spelling of 230531603 in words is "two hundred thirty million, five hundred thirty-one thousand, six hundred three".