30213109 has 4 divisors (see below), whose sum is σ = 30227904. Its totient is φ = 30198316.

The previous prime is 30213107. The next prime is 30213119. The reversal of 30213109 is 90131203.

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 30213109 - 2¹ = 30213107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213101) 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, 3727 + ... + 8620.

It is an arithmetic number, because the mean of its divisors is an integer number (7556976).

Almost surely, 2^30213109 is an apocalyptic number.

It is an amenable number.

30213109 is a deficient number, since it is larger than the sum of its proper divisors (14795).

30213109 is a wasteful number, since it uses less digits than its factorization.

30213109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14794.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 30213109 is about 5496.6452496045. The cubic root of 30213109 is about 311.4572699414.

The spelling of 30213109 in words is "thirty million, two hundred thirteen thousand, one hundred nine".