30333242 has 4 divisors (see below), whose sum is σ = 45499866. Its totient is φ = 15166620.

The previous prime is 30333241. The next prime is 30333269. The reversal of 30333242 is 24233303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24233303 = 19 ⋅1275437.

It can be written as a sum of positive squares in only one way, i.e., 25715041 + 4618201 = 5071^2 + 2149^2 .

It is not an unprimeable number, because it can be changed into a prime (30333241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7583309 + ... + 7583312.

Almost surely, 2^30333242 is an apocalyptic number.

30333242 is a deficient number, since it is larger than the sum of its proper divisors (15166624).

30333242 is a wasteful number, since it uses less digits than its factorization.

30333242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15166623.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 30333242 is about 5507.5622556627. The cubic root of 30333242 is about 311.8695282325.

Adding to 30333242 its reverse (24233303), we get a palindrome (54566545).

The spelling of 30333242 in words is "thirty million, three hundred thirty-three thousand, two hundred forty-two".