316332109 has 2 divisors, whose sum is σ = 316332110. Its totient is φ = 316332108.

The previous prime is 316332089. The next prime is 316332113. The reversal of 316332109 is 901233613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300155625 + 16176484 = 17325^2 + 4022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316332109 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 (316332509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158166054 + 158166055.

It is an arithmetic number, because the mean of its divisors is an integer number (158166055).

Almost surely, 2^316332109 is an apocalyptic number.

It is an amenable number.

316332109 is a deficient number, since it is larger than the sum of its proper divisors (1).

316332109 is an equidigital number, since it uses as much as digits as its factorization.

316332109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 316332109 is about 17785.7276769886. The cubic root of 316332109 is about 681.3669941986.

The spelling of 316332109 in words is "three hundred sixteen million, three hundred thirty-two thousand, one hundred nine".