313599109 has 4 divisors (see below), whose sum is σ = 318740140. Its totient is φ = 308458080.

The previous prime is 313599107. The next prime is 313599137. The reversal of 313599109 is 901995313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 91738084 + 221861025 = 9578^2 + 14895^2 .

It is a cyclic number.

It is not a de Polignac number, because 313599109 - 2¹ = 313599107 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 (313599107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2570424 + ... + 2570545.

It is an arithmetic number, because the mean of its divisors is an integer number (79685035).

Almost surely, 2^313599109 is an apocalyptic number.

It is an amenable number.

313599109 is a deficient number, since it is larger than the sum of its proper divisors (5141031).

313599109 is an equidigital number, since it uses as much as digits as its factorization.

313599109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141030.

The product of its (nonzero) digits is 32805, while the sum is 40.

The square root of 313599109 is about 17708.7297398769. The cubic root of 313599109 is about 679.3990574595.

The spelling of 313599109 in words is "three hundred thirteen million, five hundred ninety-nine thousand, one hundred nine".