130304305 has 8 divisors (see below), whose sum is σ = 156547944. Its totient is φ = 104121600.

The previous prime is 130304281. The next prime is 130304329. The reversal of 130304305 is 503403031.

It is an interprime number because it is at equal distance from previous prime (130304281) and next prime (130304329).

It can be written as a sum of positive squares in 4 ways, for example, as 9480241 + 120824064 = 3079^2 + 10992^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-130304305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10386 + ... + 19195.

It is an arithmetic number, because the mean of its divisors is an integer number (19568493).

Almost surely, 2^130304305 is an apocalyptic number.

It is an amenable number.

130304305 is a deficient number, since it is larger than the sum of its proper divisors (26243639).

130304305 is an equidigital number, since it uses as much as digits as its factorization.

130304305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30467.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 130304305 is about 11415.0911078274. The cubic root of 130304305 is about 506.9746624490.

Adding to 130304305 its reverse (503403031), we get a palindrome (633707336).

The spelling of 130304305 in words is "one hundred thirty million, three hundred four thousand, three hundred five".