303231242 has 8 divisors (see below), whose sum is σ = 459020100. Its totient is φ = 150224544.

The previous prime is 303231239. The next prime is 303231281. The reversal of 303231242 is 242132303.

It can be written as a sum of positive squares in 2 ways, for example, as 274598041 + 28633201 = 16571^2 + 5351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×303231242² = 183898372249725128, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 695267 + ... + 695702.

Almost surely, 2^303231242 is an apocalyptic number.

303231242 is a deficient number, since it is larger than the sum of its proper divisors (155788858).

303231242 is a wasteful number, since it uses less digits than its factorization.

303231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391080.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 303231242 is about 17413.5361716109. The cubic root of 303231242 is about 671.8278166310.

Adding to 303231242 its reverse (242132303), we get a palindrome (545363545).

The spelling of 303231242 in words is "three hundred three million, two hundred thirty-one thousand, two hundred forty-two".