3111052481 has 2 divisors, whose sum is σ = 3111052482. Its totient is φ = 3111052480.

The previous prime is 3111052447. The next prime is 3111052543. The reversal of 3111052481 is 1842501113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1992818881 + 1118233600 = 44641^2 + 33440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111052481 is a prime.

It is a super-2 number, since 2×3111052481² = 19357295079072510722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3111052481.

It is not a weakly prime, because it can be changed into another prime (3111052421) 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, 1555526240 + 1555526241.

It is an arithmetic number, because the mean of its divisors is an integer number (1555526241).

Almost surely, 2^3111052481 is an apocalyptic number.

It is an amenable number.

3111052481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111052481 is an equidigital number, since it uses as much as digits as its factorization.

3111052481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 3111052481 is about 55776.8095268993. The cubic root of 3111052481 is about 1459.8305428207.

Adding to 3111052481 its reverse (1842501113), we get a palindrome (4953553594).

The spelling of 3111052481 in words is "three billion, one hundred eleven million, fifty-two thousand, four hundred eighty-one".