30233133 has 12 divisors (see below), whose sum is σ = 49908768. Its totient is φ = 17276040.

The previous prime is 30233131. The next prime is 30233141. The reversal of 30233133 is 33133203.

30233133 is a `hidden beast` number, since 302 + 331 + 33 = 666.

It is not a de Polignac number, because 30233133 - 2¹ = 30233131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239883 + ... + 240008.

It is an arithmetic number, because the mean of its divisors is an integer number (4159064).

Almost surely, 2^30233133 is an apocalyptic number.

It is an amenable number.

30233133 is a deficient number, since it is larger than the sum of its proper divisors (19675635).

30233133 is a wasteful number, since it uses less digits than its factorization.

30233133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479904 (or 479901 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 30233133 is about 5498.4664225582. The cubic root of 30233133 is about 311.5260617484.

Adding to 30233133 its reverse (33133203), we get a palindrome (63366336).

The spelling of 30233133 in words is "thirty million, two hundred thirty-three thousand, one hundred thirty-three".