30130133 has 4 divisors (see below), whose sum is σ = 32869248. Its totient is φ = 27391020.

The previous prime is 30130117. The next prime is 30130151. The reversal of 30130133 is 33103103.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33103103 = 11 ⋅3009373.

It is a cyclic number.

It is not a de Polignac number, because 30130133 - 2⁴ = 30130117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130183) 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, 1369541 + ... + 1369562.

It is an arithmetic number, because the mean of its divisors is an integer number (8217312).

Almost surely, 2^30130133 is an apocalyptic number.

It is an amenable number.

30130133 is a deficient number, since it is larger than the sum of its proper divisors (2739115).

30130133 is a wasteful number, since it uses less digits than its factorization.

30130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739114.

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

The square root of 30130133 is about 5489.0921835947. The cubic root of 30130133 is about 311.1718841831.

Adding to 30130133 its reverse (33103103), we get a palindrome (63233236).

The spelling of 30130133 in words is "thirty million, one hundred thirty thousand, one hundred thirty-three".