303220130 has 8 divisors (see below), whose sum is σ = 545796252. Its totient is φ = 121288048.

The previous prime is 303220123. The next prime is 303220139. The reversal of 303220130 is 31022303.

It can be written as a sum of positive squares in 2 ways, for example, as 294499921 + 8720209 = 17161^2 + 2953^2 .

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

It is not an unprimeable number, because it can be changed into a prime (303220139) 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 3 ways as a sum of consecutive naturals, for example, 15160997 + ... + 15161016.

Almost surely, 2^303220130 is an apocalyptic number.

303220130 is a deficient number, since it is larger than the sum of its proper divisors (242576122).

303220130 is a wasteful number, since it uses less digits than its factorization.

303220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30322020.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 303220130 is about 17413.2171065544. The cubic root of 303220130 is about 671.8196100867.

Adding to 303220130 its reverse (31022303), we get a palindrome (334242433).

The spelling of 303220130 in words is "three hundred three million, two hundred twenty thousand, one hundred thirty".