130313309 has 4 divisors (see below), whose sum is σ = 148929504. Its totient is φ = 111697116.

The previous prime is 130313299. The next prime is 130313317. The reversal of 130313309 is 903313031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130313309 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 (130313399) 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, 9308087 + ... + 9308100.

It is an arithmetic number, because the mean of its divisors is an integer number (37232376).

Almost surely, 2^130313309 is an apocalyptic number.

It is an amenable number.

130313309 is a deficient number, since it is larger than the sum of its proper divisors (18616195).

130313309 is an equidigital number, since it uses as much as digits as its factorization.

130313309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18616194.

The product of its (nonzero) digits is 729, while the sum is 23.

The square root of 130313309 is about 11415.4854912089. The cubic root of 130313309 is about 506.9863394608.

The spelling of 130313309 in words is "one hundred thirty million, three hundred thirteen thousand, three hundred nine".