3112613112613 has 2 divisors, whose sum is σ = 3112613112614. Its totient is φ = 3112613112612.

The previous prime is 3112613112577. The next prime is 3112613112641. The reversal of 3112613112613 is 3162113162113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2945366466849 + 167246645764 = 1716207^2 + 408958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112613112613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112613212613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556306556306 + 1556306556307.

It is an arithmetic number, because the mean of its divisors is an integer number (1556306556307).

Almost surely, 2^{3112613112613} is an apocalyptic number.

It is an amenable number.

3112613112613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112613112613 is an equidigital number, since it uses as much as digits as its factorization.

3112613112613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

Adding to 3112613112613 its reverse (3162113162113), we get a palindrome (6274726274726).

The spelling of 3112613112613 in words is "three trillion, one hundred twelve billion, six hundred thirteen million, one hundred twelve thousand, six hundred thirteen".