3111316511 has 2 divisors, whose sum is σ = 3111316512. Its totient is φ = 3111316510.

The previous prime is 3111316469. The next prime is 3111316517. The reversal of 3111316511 is 1156131113.

It is a strong prime.

It is an emirp because it is prime and its reverse (1156131113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111316511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111316517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555658255 + 1555658256.

It is an arithmetic number, because the mean of its divisors is an integer number (1555658256).

Almost surely, 2^3111316511 is an apocalyptic number.

3111316511 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111316511 is an equidigital number, since it uses as much as digits as its factorization.

3111316511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270, while the sum is 23.

The square root of 3111316511 is about 55779.1763205589. The cubic root of 3111316511 is about 1459.8718394727.

Adding to 3111316511 its reverse (1156131113), we get a palindrome (4267447624).

The spelling of 3111316511 in words is "three billion, one hundred eleven million, three hundred sixteen thousand, five hundred eleven".