3081683716871 has 2 divisors, whose sum is σ = 3081683716872. Its totient is φ = 3081683716870.

The previous prime is 3081683716829. The next prime is 3081683716877. The reversal of 3081683716871 is 1786173861803.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1786173861803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3081683716871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3081683716871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3081683716877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540841858435 + 1540841858436.

It is an arithmetic number, because the mean of its divisors is an integer number (1540841858436).

Almost surely, 2^{3081683716871} is an apocalyptic number.

3081683716871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081683716871 is an equidigital number, since it uses as much as digits as its factorization.

3081683716871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 3081683716871 in words is "three trillion, eighty-one billion, six hundred eighty-three million, seven hundred sixteen thousand, eight hundred seventy-one".