303240231 has 12 divisors (see below), whose sum is σ = 500587152. Its totient is φ = 173280096.

The previous prime is 303240229. The next prime is 303240263. The reversal of 303240231 is 132042303.

It is not a de Polignac number, because 303240231 - 2¹ = 303240229 is a prime.

It is a super-2 number, since 2×303240231² = 183909275393866722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303240221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2406606 + ... + 2406731.

It is an arithmetic number, because the mean of its divisors is an integer number (41715596).

Almost surely, 2^303240231 is an apocalyptic number.

303240231 is a deficient number, since it is larger than the sum of its proper divisors (197346921).

303240231 is a wasteful number, since it uses less digits than its factorization.

303240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813350 (or 4813347 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 303240231 is about 17413.7942735063. The cubic root of 303240231 is about 671.8344551297.

Adding to 303240231 its reverse (132042303), we get a palindrome (435282534).

The spelling of 303240231 in words is "three hundred three million, two hundred forty thousand, two hundred thirty-one".