316216333 has 2 divisors, whose sum is σ = 316216334. Its totient is φ = 316216332.

The previous prime is 316216331. The next prime is 316216343. The reversal of 316216333 is 333612613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293539689 + 22676644 = 17133^2 + 4762^2 .

It is a cyclic number.

It is not a de Polignac number, because 316216333 - 2¹ = 316216331 is a prime.

Together with 316216331, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316216331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158108166 + 158108167.

It is an arithmetic number, because the mean of its divisors is an integer number (158108167).

Almost surely, 2^316216333 is an apocalyptic number.

It is an amenable number.

316216333 is a deficient number, since it is larger than the sum of its proper divisors (1).

316216333 is an equidigital number, since it uses as much as digits as its factorization.

316216333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 28.

The square root of 316216333 is about 17782.4726345916. The cubic root of 316216333 is about 681.2838583963.

Adding to 316216333 its reverse (333612613), we get a palindrome (649828946).

The spelling of 316216333 in words is "three hundred sixteen million, two hundred sixteen thousand, three hundred thirty-three".