230331503 has 2 divisors, whose sum is σ = 230331504. Its totient is φ = 230331502.

The previous prime is 230331469. The next prime is 230331511. The reversal of 230331503 is 305133032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230331503 - 2⁸ = 230331247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230331553) 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, 115165751 + 115165752.

It is an arithmetic number, because the mean of its divisors is an integer number (115165752).

Almost surely, 2^230331503 is an apocalyptic number.

230331503 is a deficient number, since it is larger than the sum of its proper divisors (1).

230331503 is an equidigital number, since it uses as much as digits as its factorization.

230331503 is an odious number, because the sum of its binary digits is odd.

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

The square root of 230331503 is about 15176.6762830338. The cubic root of 230331503 is about 612.9867876976.

Adding to 230331503 its reverse (305133032), we get a palindrome (535464535).

The spelling of 230331503 in words is "two hundred thirty million, three hundred thirty-one thousand, five hundred three".