303130120 has 32 divisors (see below), whose sum is σ = 682807320. Its totient is φ = 121116160.

The previous prime is 303130117. The next prime is 303130129. The reversal of 303130120 is 21031303.

It can be written as a sum of positive squares in 4 ways, for example, as 198640836 + 104489284 = 14094^2 + 10222^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 303130120.

It is not an unprimeable number, because it can be changed into a prime (303130129) 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, 36780 + ... + 44260.

Almost surely, 2^303130120 is an apocalyptic number.

It is an amenable number.

303130120 is an abundant number, since it is smaller than the sum of its proper divisors (379677200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303130120 is a wasteful number, since it uses less digits than its factorization.

303130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505 (or 8501 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 303130120 is about 17410.6323836901. The cubic root of 303130120 is about 671.7531276189.

Adding to 303130120 its reverse (21031303), we get a palindrome (324161423).

The spelling of 303130120 in words is "three hundred three million, one hundred thirty thousand, one hundred twenty".