30242213 has 4 divisors (see below), whose sum is σ = 30304800. Its totient is φ = 30179628.

The previous prime is 30242207. The next prime is 30242231. The reversal of 30242213 is 31224203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30242213 - 2¹⁴ = 30225829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30242191 and 30242200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30242203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30563 + ... + 31536.

It is an arithmetic number, because the mean of its divisors is an integer number (7576200).

Almost surely, 2^30242213 is an apocalyptic number.

It is an amenable number.

30242213 is a deficient number, since it is larger than the sum of its proper divisors (62587).

30242213 is an equidigital number, since it uses as much as digits as its factorization.

30242213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62586.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30242213 is about 5499.2920453455. The cubic root of 30242213 is about 311.5572457864.

Adding to 30242213 its reverse (31224203), we get a palindrome (61466416).

The spelling of 30242213 in words is "thirty million, two hundred forty-two thousand, two hundred thirteen".