130216997 has 2 divisors, whose sum is σ = 130216998. Its totient is φ = 130216996.

The previous prime is 130216987. The next prime is 130217039. The reversal of 130216997 is 799612031.

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., 87628321 + 42588676 = 9361^2 + 6526^2 .

It is a cyclic number.

It is not a de Polignac number, because 130216997 - 2⁴ = 130216981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130216997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130216987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65108498 + 65108499.

It is an arithmetic number, because the mean of its divisors is an integer number (65108499).

Almost surely, 2^130216997 is an apocalyptic number.

It is an amenable number.

130216997 is a deficient number, since it is larger than the sum of its proper divisors (1).

130216997 is an equidigital number, since it uses as much as digits as its factorization.

130216997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 130216997 is about 11411.2662312296. The cubic root of 130216997 is about 506.8614074715.

The spelling of 130216997 in words is "one hundred thirty million, two hundred sixteen thousand, nine hundred ninety-seven".