130302173 has 2 divisors, whose sum is σ = 130302174. Its totient is φ = 130302172.

The previous prime is 130302167. The next prime is 130302217. The reversal of 130302173 is 371203031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124835929 + 5466244 = 11173^2 + 2338^2 .

It is a cyclic number.

It is not a de Polignac number, because 130302173 - 2⁴ = 130302157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130302113) 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 as a sum of consecutive naturals, namely, 65151086 + 65151087.

It is an arithmetic number, because the mean of its divisors is an integer number (65151087).

Almost surely, 2^130302173 is an apocalyptic number.

It is an amenable number.

130302173 is a deficient number, since it is larger than the sum of its proper divisors (1).

130302173 is an equidigital number, since it uses as much as digits as its factorization.

130302173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 130302173 is about 11414.9977222950. The cubic root of 130302173 is about 506.9718974447.

The spelling of 130302173 in words is "one hundred thirty million, three hundred two thousand, one hundred seventy-three".