130513217 has 4 divisors (see below), whose sum is σ = 130726740. Its totient is φ = 130299696.

The previous prime is 130513211. The next prime is 130513241. The reversal of 130513217 is 712315031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35236096 + 95277121 = 5936^2 + 9761^2 .

It is a cyclic number.

It is not a de Polignac number, because 130513217 - 2⁶ = 130513153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130513192 and 130513201.

It is not an unprimeable number, because it can be changed into a prime (130513211) 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, 105842 + ... + 107067.

It is an arithmetic number, because the mean of its divisors is an integer number (32681685).

Almost surely, 2^130513217 is an apocalyptic number.

It is an amenable number.

130513217 is a deficient number, since it is larger than the sum of its proper divisors (213523).

130513217 is an equidigital number, since it uses as much as digits as its factorization.

130513217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213522.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 130513217 is about 11424.2381365236. The cubic root of 130513217 is about 507.2454555971.

Adding to 130513217 its reverse (712315031), we get a palindrome (842828248).

The spelling of 130513217 in words is "one hundred thirty million, five hundred thirteen thousand, two hundred seventeen".