314341997681 has 2 divisors, whose sum is σ = 314341997682. Its totient is φ = 314341997680.

The previous prime is 314341997659. The next prime is 314341997687. The reversal of 314341997681 is 186799143413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158487591025 + 155854406656 = 398105^2 + 394784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314341997681 is a prime.

It is a super-2 number, since 2×314341997681² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (314341997687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157170998840 + 157170998841.

It is an arithmetic number, because the mean of its divisors is an integer number (157170998841).

Almost surely, 2^314341997681 is an apocalyptic number.

It is an amenable number.

314341997681 is a deficient number, since it is larger than the sum of its proper divisors (1).

314341997681 is an equidigital number, since it uses as much as digits as its factorization.

314341997681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The spelling of 314341997681 in words is "three hundred fourteen billion, three hundred forty-one million, nine hundred ninety-seven thousand, six hundred eighty-one".