303020030 has 32 divisors (see below), whose sum is σ = 552562560. Its totient is φ = 119635360.

The previous prime is 303020023. The next prime is 303020033. The reversal of 303020030 is 30020303.

It is a happy number.

It is a super-2 number, since 2×303020030² = 183642277162401800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 303019993 and 303020020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303020033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296861 + ... + 297879.

It is an arithmetic number, because the mean of its divisors is an integer number (17267580).

Almost surely, 2^303020030 is an apocalyptic number.

303020030 is a deficient number, since it is larger than the sum of its proper divisors (249542530).

303020030 is a wasteful number, since it uses less digits than its factorization.

303020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its (nonzero) digits is 54, while the sum is 11.

The square root of 303020030 is about 17407.4705227382. The cubic root of 303020030 is about 671.6717959273.

Adding to 303020030 its reverse (30020303), we get a palindrome (333040333).

The spelling of 303020030 in words is "three hundred three million, twenty thousand, thirty".