3105143142817 has 2 divisors, whose sum is σ = 3105143142818. Its totient is φ = 3105143142816.

The previous prime is 3105143142799. The next prime is 3105143142851. The reversal of 3105143142817 is 7182413415013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2966830557601 + 138312585216 = 1722449^2 + 371904^2 .

It is a cyclic number.

It is not a de Polignac number, because 3105143142817 - 2¹⁵ = 3105143110049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3105143142817.

It is not a weakly prime, because it can be changed into another prime (3105143142877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1552571571408 + 1552571571409.

It is an arithmetic number, because the mean of its divisors is an integer number (1552571571409).

Almost surely, 2^{3105143142817} is an apocalyptic number.

It is an amenable number.

3105143142817 is a deficient number, since it is larger than the sum of its proper divisors (1).

3105143142817 is an equidigital number, since it uses as much as digits as its factorization.

3105143142817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 3105143142817 in words is "three trillion, one hundred five billion, one hundred forty-three million, one hundred forty-two thousand, eight hundred seventeen".