130304071 has 4 divisors (see below), whose sum is σ = 137162200. Its totient is φ = 123445944.

The previous prime is 130304063. The next prime is 130304081. The reversal of 130304071 is 170403031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170403031 = 2129 ⋅80039.

It is a cyclic number.

It is not a de Polignac number, because 130304071 - 2³ = 130304063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 6858109 = 130304071 / (1 + 3 + 0 + 3 + 0 + 4 + 0 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130304011) 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, 3429036 + ... + 3429073.

It is an arithmetic number, because the mean of its divisors is an integer number (34290550).

Almost surely, 2^130304071 is an apocalyptic number.

130304071 is the 6591-st hex number.

130304071 is a deficient number, since it is larger than the sum of its proper divisors (6858129).

130304071 is an equidigital number, since it uses as much as digits as its factorization.

130304071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858128.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 130304071 is about 11415.0808582331. The cubic root of 130304071 is about 506.9743589744.

The spelling of 130304071 in words is "one hundred thirty million, three hundred four thousand, seventy-one".