3113122081 has 2 divisors, whose sum is σ = 3113122082. Its totient is φ = 3113122080.

The previous prime is 3113122049. The next prime is 3113122123. The reversal of 3113122081 is 1802213113.

It is a happy number.

3113122081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2342560000 + 770562081 = 48400^2 + 27759^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113122081 - 2⁵ = 3113122049 is a prime.

It is a super-2 number, since 2×3113122081² = 19383058182419541122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3113122781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556561040 + 1556561041.

It is an arithmetic number, because the mean of its divisors is an integer number (1556561041).

Almost surely, 2^3113122081 is an apocalyptic number.

It is an amenable number.

3113122081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113122081 is an equidigital number, since it uses as much as digits as its factorization.

3113122081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 3113122081 is about 55795.3589557411. The cubic root of 3113122081 is about 1460.1541841608.

Adding to 3113122081 its reverse (1802213113), we get a palindrome (4915335194).

The spelling of 3113122081 in words is "three billion, one hundred thirteen million, one hundred twenty-two thousand, eighty-one".