316354314116261 has 2 divisors, whose sum is σ = 316354314116262. Its totient is φ = 316354314116260.

The previous prime is 316354314116221. The next prime is 316354314116279. The reversal of 316354314116261 is 162611413453613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297424722952036 + 18929591164225 = 17246006^2 + 4350815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316354314116261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316354314116221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158177157058130 + 158177157058131.

It is an arithmetic number, because the mean of its divisors is an integer number (158177157058131).

Almost surely, 2^{316354314116261} is an apocalyptic number.

It is an amenable number.

316354314116261 is a deficient number, since it is larger than the sum of its proper divisors (1).

316354314116261 is an equidigital number, since it uses as much as digits as its factorization.

316354314116261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 47.

Adding to 316354314116261 its reverse (162611413453613), we get a palindrome (478965727569874).

The spelling of 316354314116261 in words is "three hundred sixteen trillion, three hundred fifty-four billion, three hundred fourteen million, one hundred sixteen thousand, two hundred sixty-one".