30180217 has 4 divisors (see below), whose sum is σ = 30630736. Its totient is φ = 29729700.

The previous prime is 30180193. The next prime is 30180221. The reversal of 30180217 is 71208103.

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 30180217 - 2⁷ = 30180089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30180277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225159 + ... + 225292.

It is an arithmetic number, because the mean of its divisors is an integer number (7657684).

Almost surely, 2^30180217 is an apocalyptic number.

It is an amenable number.

30180217 is a deficient number, since it is larger than the sum of its proper divisors (450519).

30180217 is an equidigital number, since it uses as much as digits as its factorization.

30180217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450518.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 30180217 is about 5493.6524280300. The cubic root of 30180217 is about 311.3442045347.

The spelling of 30180217 in words is "thirty million, one hundred eighty thousand, two hundred seventeen".