30113133 has 8 divisors (see below), whose sum is σ = 40220928. Its totient is φ = 20040384.

The previous prime is 30113131. The next prime is 30113179. The reversal of 30113133 is 33131103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30113133 - 2¹ = 30113131 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 (30113131) 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 7 ways as a sum of consecutive naturals, for example, 6685 + ... + 10242.

It is an arithmetic number, because the mean of its divisors is an integer number (5027616).

Almost surely, 2^30113133 is an apocalyptic number.

It is an amenable number.

30113133 is a deficient number, since it is larger than the sum of its proper divisors (10107795).

30113133 is a wasteful number, since it uses less digits than its factorization.

30113133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17523.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 30113133 is about 5487.5434394636. The cubic root of 30113133 is about 311.1133501209.

Adding to 30113133 its reverse (33131103), we get a palindrome (63244236).

The spelling of 30113133 in words is "thirty million, one hundred thirteen thousand, one hundred thirty-three".