30242133 has 32 divisors (see below), whose sum is σ = 48625920. Its totient is φ = 18501120.

The previous prime is 30242131. The next prime is 30242189. The reversal of 30242133 is 33124203.

It is not a de Polignac number, because 30242133 - 2¹ = 30242131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30242131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18016 + ... + 19622.

It is an arithmetic number, because the mean of its divisors is an integer number (1519560).

Almost surely, 2^30242133 is an apocalyptic number.

It is an amenable number.

30242133 is a deficient number, since it is larger than the sum of its proper divisors (18383787).

30242133 is a wasteful number, since it uses less digits than its factorization.

30242133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30242133 is about 5499.2847716771. The cubic root of 30242133 is about 311.5569710645.

Adding to 30242133 its reverse (33124203), we get a palindrome (63366336).

The spelling of 30242133 in words is "thirty million, two hundred forty-two thousand, one hundred thirty-three".