30103217 has 2 divisors, whose sum is σ = 30103218. Its totient is φ = 30103216.

The previous prime is 30103207. The next prime is 30103231. The reversal of 30103217 is 71230103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25441936 + 4661281 = 5044^2 + 2159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30103217 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30103195 and 30103204.

It is not a weakly prime, because it can be changed into another prime (30103207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051608 + 15051609.

It is an arithmetic number, because the mean of its divisors is an integer number (15051609).

Almost surely, 2^30103217 is an apocalyptic number.

It is an amenable number.

30103217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103217 is an equidigital number, since it uses as much as digits as its factorization.

30103217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 30103217 is about 5486.6398642521. The cubic root of 30103217 is about 311.0791973736.

The spelling of 30103217 in words is "thirty million, one hundred three thousand, two hundred seventeen".