130731717 has 8 divisors (see below), whose sum is σ = 184562496. Its totient is φ = 82027712.

The previous prime is 130731707. The next prime is 130731721. The reversal of 130731717 is 717137031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130731717 - 2⁷ = 130731589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130731707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281633 + ... + 1281734.

It is an arithmetic number, because the mean of its divisors is an integer number (23070312).

Almost surely, 2^130731717 is an apocalyptic number.

130731717 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

130731717 is a deficient number, since it is larger than the sum of its proper divisors (53830779).

130731717 is a wasteful number, since it uses less digits than its factorization.

130731717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563387.

The product of its (nonzero) digits is 3087, while the sum is 30.

The square root of 130731717 is about 11433.7971383089. The cubic root of 130731717 is about 507.5283677834.

Adding to 130731717 its reverse (717137031), we get a palindrome (847868748).

The spelling of 130731717 in words is "one hundred thirty million, seven hundred thirty-one thousand, seven hundred seventeen".