231430303 has 12 divisors (see below), whose sum is σ = 254679880. Its totient is φ = 209056752.

The previous prime is 231430291. The next prime is 231430313. The reversal of 231430303 is 303034132.

It is not a de Polignac number, because 231430303 - 2⁵ = 231430271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231430313) 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 in 11 ways as a sum of consecutive naturals, for example, 24688 + ... + 32746.

Almost surely, 2^231430303 is an apocalyptic number.

231430303 is a deficient number, since it is larger than the sum of its proper divisors (23249577).

231430303 is an equidigital number, since it uses as much as digits as its factorization.

231430303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8166 (or 8119 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 231430303 is about 15212.8334967553. The cubic root of 231430303 is about 613.9599960851.

Adding to 231430303 its reverse (303034132), we get a palindrome (534464435).

The spelling of 231430303 in words is "two hundred thirty-one million, four hundred thirty thousand, three hundred three".