130830309 has 20 divisors (see below), whose sum is σ = 196341376. Its totient is φ = 86817096.

The previous prime is 130830307. The next prime is 130830311. The reversal of 130830309 is 903038031.

It is an interprime number because it is at equal distance from previous prime (130830307) and next prime (130830311).

It is not a de Polignac number, because 130830309 - 2¹ = 130830307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130830307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14442 + ... + 21684.

Almost surely, 2^130830309 is an apocalyptic number.

It is an amenable number.

130830309 is a deficient number, since it is larger than the sum of its proper divisors (65511067).

130830309 is an equidigital number, since it uses as much as digits as its factorization.

130830309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478 (or 7469 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 130830309 is about 11438.1077543447. The cubic root of 130830309 is about 507.6559207711.

The spelling of 130830309 in words is "one hundred thirty million, eight hundred thirty thousand, three hundred nine".