242431303 has 4 divisors (see below), whose sum is σ = 242676928. Its totient is φ = 242185680.

The previous prime is 242431261. The next prime is 242431327. The reversal of 242431303 is 303134242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242431303 - 2¹⁷ = 242300231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242431003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121326 + ... + 123307.

It is an arithmetic number, because the mean of its divisors is an integer number (60669232).

Almost surely, 2^242431303 is an apocalyptic number.

242431303 is a deficient number, since it is larger than the sum of its proper divisors (245625).

242431303 is an equidigital number, since it uses as much as digits as its factorization.

242431303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245624.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 242431303 is about 15570.2056184239. The cubic root of 242431303 is about 623.5379611346.

Adding to 242431303 its reverse (303134242), we get a palindrome (545565545).

The spelling of 242431303 in words is "two hundred forty-two million, four hundred thirty-one thousand, three hundred three".