30301133 has 4 divisors (see below), whose sum is σ = 30453600. Its totient is φ = 30148668.

The previous prime is 30301127. The next prime is 30301147. The reversal of 30301133 is 33110303.

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 a de Polignac number, because none of the positive numbers 2^k-30301133 is a prime.

It is a super-2 number, since 2×30301133² = 1836317322167378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30301163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75935 + ... + 76332.

It is an arithmetic number, because the mean of its divisors is an integer number (7613400).

Almost surely, 2^30301133 is an apocalyptic number.

It is an amenable number.

30301133 is a deficient number, since it is larger than the sum of its proper divisors (152467).

30301133 is a wasteful number, since it uses less digits than its factorization.

30301133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152466.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 30301133 is about 5504.6464918285. The cubic root of 30301133 is about 311.7594470867.

Adding to 30301133 its reverse (33110303), we get a palindrome (63411436).

The spelling of 30301133 in words is "thirty million, three hundred one thousand, one hundred thirty-three".