30240133 has 16 divisors (see below), whose sum is σ = 37822464. Its totient is φ = 23488560.

The previous prime is 30240131. The next prime is 30240139. The reversal of 30240133 is 33104203.

It is a cyclic number.

It is not a de Polignac number, because 30240133 - 2¹ = 30240131 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 (30240131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46416 + ... + 47062.

It is an arithmetic number, because the mean of its divisors is an integer number (2363904).

Almost surely, 2^30240133 is an apocalyptic number.

It is an amenable number.

30240133 is a deficient number, since it is larger than the sum of its proper divisors (7582331).

30240133 is a wasteful number, since it uses less digits than its factorization.

30240133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30240133 is about 5499.1029268418. The cubic root of 30240133 is about 311.5501028576.

Adding to 30240133 its reverse (33104203), we get a palindrome (63344336).

The spelling of 30240133 in words is "thirty million, two hundred forty thousand, one hundred thirty-three".