130319 has 4 divisors (see below), whose sum is σ = 148944. Its totient is φ = 111696.

The previous prime is 130307. The next prime is 130337. The reversal of 130319 is 913031.

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

It is a cyclic number.

It is not a de Polignac number, because 130319 - 2⁴ = 130303 is a prime.

It is a super-2 number, since 2×130319² = 33966083522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130297 and 130306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130349) 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, 9302 + ... + 9315.

It is an arithmetic number, because the mean of its divisors is an integer number (37236).

2¹³⁰³¹⁹ is an apocalyptic number.

130319 is a deficient number, since it is larger than the sum of its proper divisors (18625).

130319 is an equidigital number, since it uses as much as digits as its factorization.

130319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18624.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 130319 is about 360.9972299063. The cubic root of 130319 is about 50.6993719667.

The spelling of 130319 in words is "one hundred thirty thousand, three hundred nineteen".