300030133 has 4 divisors (see below), whose sum is σ = 323109388. Its totient is φ = 276950880.

The previous prime is 300030113. The next prime is 300030149. The reversal of 300030133 is 331030003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63393444 + 236636689 = 7962^2 + 15383^2 .

It is a cyclic number.

It is not a de Polignac number, because 300030133 - 2¹³ = 300021941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 23079241 = 300030133 / (3 + 0 + 0 + 0 + 3 + 0 + 1 + 3 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300030113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11539608 + ... + 11539633.

It is an arithmetic number, because the mean of its divisors is an integer number (80777347).

Almost surely, 2^300030133 is an apocalyptic number.

It is an amenable number.

300030133 is a deficient number, since it is larger than the sum of its proper divisors (23079255).

300030133 is a wasteful number, since it uses less digits than its factorization.

300030133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23079254.

The product of its (nonzero) digits is 81, while the sum is 13.

The square root of 300030133 is about 17321.3779186299. The cubic root of 300030133 is about 669.4553626908.

Adding to 300030133 its reverse (331030003), we get a palindrome (631060136).

It can be divided in two parts, 3000 and 30133, that added together give a palindrome (33133).

The spelling of 300030133 in words is "three hundred million, thirty thousand, one hundred thirty-three".