130100309 has 4 divisors (see below), whose sum is σ = 130133004. Its totient is φ = 130067616.

The previous prime is 130100263. The next prime is 130100323. The reversal of 130100309 is 903001031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 903001031 = 89 ⋅10146079.

It can be written as a sum of positive squares in 2 ways, for example, as 50836900 + 79263409 = 7130^2 + 8903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130100309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130100359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9392 + ... + 18665.

It is an arithmetic number, because the mean of its divisors is an integer number (32533251).

Almost surely, 2^130100309 is an apocalyptic number.

It is an amenable number.

130100309 is a deficient number, since it is larger than the sum of its proper divisors (32695).

130100309 is an equidigital number, since it uses as much as digits as its factorization.

130100309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32694.

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

The square root of 130100309 is about 11406.1522434167. The cubic root of 130100309 is about 506.7099620109.

The spelling of 130100309 in words is "one hundred thirty million, one hundred thousand, three hundred nine".