130318217 has 4 divisors (see below), whose sum is σ = 131888400. Its totient is φ = 128748036.

The previous prime is 130318211. The next prime is 130318241. The reversal of 130318217 is 712813031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 712813031 = 7 ⋅101830433.

It is a cyclic number.

It is not a de Polignac number, because 130318217 - 2¹⁰ = 130317193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130318211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784967 + ... + 785132.

It is an arithmetic number, because the mean of its divisors is an integer number (32972100).

Almost surely, 2^130318217 is an apocalyptic number.

It is an amenable number.

130318217 is a deficient number, since it is larger than the sum of its proper divisors (1570183).

130318217 is an equidigital number, since it uses as much as digits as its factorization.

130318217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570182.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 130318217 is about 11415.7004603309. The cubic root of 130318217 is about 506.9927042691.

The spelling of 130318217 in words is "one hundred thirty million, three hundred eighteen thousand, two hundred seventeen".