316109 has 2 divisors, whose sum is σ = 316110. Its totient is φ = 316108.

The previous prime is 316097. The next prime is 316133. The reversal of 316109 is 901613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299209 + 16900 = 547^2 + 130^2 .

It is an emirp because it is prime and its reverse (901613) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158054 + 158055.

It is an arithmetic number, because the mean of its divisors is an integer number (158055).

2³¹⁶¹⁰⁹ is an apocalyptic number.

It is an amenable number.

316109 is a deficient number, since it is larger than the sum of its proper divisors (1).

316109 is an equidigital number, since it uses as much as digits as its factorization.

316109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 316109 is about 562.2357156923. The cubic root of 316109 is about 68.1206767169.

The spelling of 316109 in words is "three hundred sixteen thousand, one hundred nine".