303431242 has 16 divisors (see below), whose sum is σ = 470619072. Its totient is φ = 146627680.

The previous prime is 303431137. The next prime is 303431243. The reversal of 303431242 is 242134303.

It is a happy number.

303431242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (303431243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8518 + ... + 26065.

It is an arithmetic number, because the mean of its divisors is an integer number (29413692).

Almost surely, 2^303431242 is an apocalyptic number.

303431242 is a deficient number, since it is larger than the sum of its proper divisors (167187830).

303431242 is a wasteful number, since it uses less digits than its factorization.

303431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34733.

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

The square root of 303431242 is about 17419.2778839997. The cubic root of 303431242 is about 671.9754883468.

Adding to 303431242 its reverse (242134303), we get a palindrome (545565545).

The spelling of 303431242 in words is "three hundred three million, four hundred thirty-one thousand, two hundred forty-two".