30302133 has 4 divisors (see below), whose sum is σ = 40402848. Its totient is φ = 20201420.

The previous prime is 30302123. The next prime is 30302137. The reversal of 30302133 is 33120303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30302133 - 2⁵ = 30302101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050353 + ... + 5050358.

It is an arithmetic number, because the mean of its divisors is an integer number (10100712).

Almost surely, 2^30302133 is an apocalyptic number.

It is an amenable number.

30302133 is a deficient number, since it is larger than the sum of its proper divisors (10100715).

30302133 is a wasteful number, since it uses less digits than its factorization.

30302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100714.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 30302133 is about 5504.7373234333. The cubic root of 30302133 is about 311.7628766176.

Adding to 30302133 its reverse (33120303), we get a palindrome (63422436).

The spelling of 30302133 in words is "thirty million, three hundred two thousand, one hundred thirty-three".