3111243241 has 2 divisors, whose sum is σ = 3111243242. Its totient is φ = 3111243240.

The previous prime is 3111243229. The next prime is 3111243257. The reversal of 3111243241 is 1423421113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2377050025 + 734193216 = 48755^2 + 27096^2 .

It is an emirp because it is prime and its reverse (1423421113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111243241 is a prime.

It is not a weakly prime, because it can be changed into another prime (3111243211) 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, 1555621620 + 1555621621.

It is an arithmetic number, because the mean of its divisors is an integer number (1555621621).

Almost surely, 2^3111243241 is an apocalyptic number.

It is an amenable number.

3111243241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111243241 is an equidigital number, since it uses as much as digits as its factorization.

3111243241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 3111243241 is about 55778.5195303712. The cubic root of 3111243241 is about 1459.8603796240.

Adding to 3111243241 its reverse (1423421113), we get a palindrome (4534664354).

The spelling of 3111243241 in words is "three billion, one hundred eleven million, two hundred forty-three thousand, two hundred forty-one".