3112286778701 has 2 divisors, whose sum is σ = 3112286778702. Its totient is φ = 3112286778700.

The previous prime is 3112286778683. The next prime is 3112286778761. The reversal of 3112286778701 is 1078776822113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3099099701476 + 13187077225 = 1760426^2 + 114835^2 .

It is an emirp because it is prime and its reverse (1078776822113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112286778701 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112286778761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556143389350 + 1556143389351.

It is an arithmetic number, because the mean of its divisors is an integer number (1556143389351).

Almost surely, 2^{3112286778701} is an apocalyptic number.

It is an amenable number.

3112286778701 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112286778701 is an equidigital number, since it uses as much as digits as its factorization.

3112286778701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 53.

The spelling of 3112286778701 in words is "three trillion, one hundred twelve billion, two hundred eighty-six million, seven hundred seventy-eight thousand, seven hundred one".