302130217 has 2 divisors, whose sum is σ = 302130218. Its totient is φ = 302130216.

The previous prime is 302130211. The next prime is 302130223. The reversal of 302130217 is 712031203.

It is a balanced prime because it is at equal distance from previous prime (302130211) and next prime (302130223).

It can be written as a sum of positive squares in only one way, i.e., 242238096 + 59892121 = 15564^2 + 7739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302130217 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 302130194 and 302130203.

It is not a weakly prime, because it can be changed into another prime (302130211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151065108 + 151065109.

It is an arithmetic number, because the mean of its divisors is an integer number (151065109).

Almost surely, 2^302130217 is an apocalyptic number.

It is an amenable number.

302130217 is a deficient number, since it is larger than the sum of its proper divisors (1).

302130217 is an equidigital number, since it uses as much as digits as its factorization.

302130217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 302130217 is about 17381.8933663741. The cubic root of 302130217 is about 671.0137005309.

The spelling of 302130217 in words is "three hundred two million, one hundred thirty thousand, two hundred seventeen".