30268211 has 4 divisors (see below), whose sum is σ = 32048712. Its totient is φ = 28487712.

The previous prime is 30268193. The next prime is 30268237. The reversal of 30268211 is 11286203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30268211 - 2¹⁴ = 30251827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30268241) 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, 890225 + ... + 890258.

It is an arithmetic number, because the mean of its divisors is an integer number (8012178).

Almost surely, 2^30268211 is an apocalyptic number.

30268211 is a deficient number, since it is larger than the sum of its proper divisors (1780501).

30268211 is a wasteful number, since it uses less digits than its factorization.

30268211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780500.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 30268211 is about 5501.6552963631. The cubic root of 30268211 is about 311.6464979116.

The spelling of 30268211 in words is "thirty million, two hundred sixty-eight thousand, two hundred eleven".