3113121043 has 2 divisors, whose sum is σ = 3113121044. Its totient is φ = 3113121042.

The previous prime is 3113120993. The next prime is 3113121061. The reversal of 3113121043 is 3401213113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3113121043 - 2²¹ = 3111023891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3113121043.

It is not a weakly prime, because it can be changed into another prime (3113121083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556560521 + 1556560522.

It is an arithmetic number, because the mean of its divisors is an integer number (1556560522).

Almost surely, 2^3113121043 is an apocalyptic number.

3113121043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113121043 is an equidigital number, since it uses as much as digits as its factorization.

3113121043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3113121043 is about 55795.3496538914. The cubic root of 3113121043 is about 1460.1540218757.

Adding to 3113121043 its reverse (3401213113), we get a palindrome (6514334156).

The spelling of 3113121043 in words is "three billion, one hundred thirteen million, one hundred twenty-one thousand, forty-three".