30266213 has 4 divisors (see below), whose sum is σ = 30350880. Its totient is φ = 30181548.

The previous prime is 30266207. The next prime is 30266251. The reversal of 30266213 is 31266203.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31266203 = 43 ⋅727121.

It is a cyclic number.

It is not a de Polignac number, because 30266213 - 2⁶ = 30266149 is a prime.

It is a super-2 number, since 2×30266213² = 1832087298722738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30266293) 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, 41795 + ... + 42512.

It is an arithmetic number, because the mean of its divisors is an integer number (7587720).

Almost surely, 2^30266213 is an apocalyptic number.

It is an amenable number.

30266213 is a deficient number, since it is larger than the sum of its proper divisors (84667).

30266213 is an equidigital number, since it uses as much as digits as its factorization.

30266213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84666.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 30266213 is about 5501.4737116522. The cubic root of 30266213 is about 311.6396405148.

The spelling of 30266213 in words is "thirty million, two hundred sixty-six thousand, two hundred thirteen".