316380381797 has 2 divisors, whose sum is σ = 316380381798. Its totient is φ = 316380381796.

The previous prime is 316380381791. The next prime is 316380381869. The reversal of 316380381797 is 797183083613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311130799681 + 5249582116 = 557791^2 + 72454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316380381797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316380381791) 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, 158190190898 + 158190190899.

It is an arithmetic number, because the mean of its divisors is an integer number (158190190899).

Almost surely, 2^316380381797 is an apocalyptic number.

It is an amenable number.

316380381797 is a deficient number, since it is larger than the sum of its proper divisors (1).

316380381797 is an equidigital number, since it uses as much as digits as its factorization.

316380381797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 316380381797 in words is "three hundred sixteen billion, three hundred eighty million, three hundred eighty-one thousand, seven hundred ninety-seven".