316063261 has 2 divisors, whose sum is σ = 316063262. Its totient is φ = 316063260.

The previous prime is 316063229. The next prime is 316063289. The reversal of 316063261 is 162360613.

It is an a-pointer prime, because the next prime (316063289) can be obtained adding 316063261 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195832036 + 120231225 = 13994^2 + 10965^2 .

It is an emirp because it is prime and its reverse (162360613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316063261 - 2⁵ = 316063229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316063211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158031630 + 158031631.

It is an arithmetic number, because the mean of its divisors is an integer number (158031631).

Almost surely, 2^316063261 is an apocalyptic number.

It is an amenable number.

316063261 is a deficient number, since it is larger than the sum of its proper divisors (1).

316063261 is an equidigital number, since it uses as much as digits as its factorization.

316063261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 316063261 is about 17778.1681002290. The cubic root of 316063261 is about 681.1739101281.

The spelling of 316063261 in words is "three hundred sixteen million, sixty-three thousand, two hundred sixty-one".