3111926393 has 2 divisors, whose sum is σ = 3111926394. Its totient is φ = 3111926392.

The previous prime is 3111926317. The next prime is 3111926423. The reversal of 3111926393 is 3936291113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2678787049 + 433139344 = 51757^2 + 20812^2 .

It is an emirp because it is prime and its reverse (3936291113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111926393 is a prime.

It is not a weakly prime, because it can be changed into another prime (3111926893) 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, 1555963196 + 1555963197.

It is an arithmetic number, because the mean of its divisors is an integer number (1555963197).

Almost surely, 2^3111926393 is an apocalyptic number.

It is an amenable number.

3111926393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111926393 is an equidigital number, since it uses as much as digits as its factorization.

3111926393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 38.

The square root of 3111926393 is about 55784.6429853235. The cubic root of 3111926393 is about 1459.9672215384.

The spelling of 3111926393 in words is "three billion, one hundred eleven million, nine hundred twenty-six thousand, three hundred ninety-three".