316227997 has 2 divisors, whose sum is σ = 316227998. Its totient is φ = 316227996.

The previous prime is 316227983. The next prime is 316228013. The reversal of 316227997 is 799722613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202464441 + 113763556 = 14229^2 + 10666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316227997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316527997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158113998 + 158113999.

It is an arithmetic number, because the mean of its divisors is an integer number (158113999).

Almost surely, 2^316227997 is an apocalyptic number.

It is an amenable number.

316227997 is a deficient number, since it is larger than the sum of its proper divisors (1).

316227997 is an equidigital number, since it uses as much as digits as its factorization.

316227997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The square root of 316227997 is about 17782.8005949569. The cubic root of 316227997 is about 681.2922349373.

The spelling of 316227997 in words is "three hundred sixteen million, two hundred twenty-seven thousand, nine hundred ninety-seven".