316782308461 has 2 divisors, whose sum is σ = 316782308462. Its totient is φ = 316782308460.

The previous prime is 316782308449. The next prime is 316782308467. The reversal of 316782308461 is 164803287613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262124544361 + 54657764100 = 511981^2 + 233790^2 .

It is a cyclic number.

It is not a de Polignac number, because 316782308461 - 2⁹ = 316782307949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316782308467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158391154230 + 158391154231.

It is an arithmetic number, because the mean of its divisors is an integer number (158391154231).

Almost surely, 2^316782308461 is an apocalyptic number.

It is an amenable number.

316782308461 is a deficient number, since it is larger than the sum of its proper divisors (1).

316782308461 is an equidigital number, since it uses as much as digits as its factorization.

316782308461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 316782308461 in words is "three hundred sixteen billion, seven hundred eighty-two million, three hundred eight thousand, four hundred sixty-one".