3181043 has 2 divisors, whose sum is σ = 3181044. Its totient is φ = 3181042.

The previous prime is 3181033. The next prime is 3181049. The reversal of 3181043 is 3401813.

It is a happy number.

3181043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3181043 - 2⁶ = 3180979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3181049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1590521 + 1590522.

It is an arithmetic number, because the mean of its divisors is an integer number (1590522).

Almost surely, 2^3181043 is an apocalyptic number.

3181043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3181043 is an equidigital number, since it uses as much as digits as its factorization.

3181043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3181043 is about 1783.5478687156. The cubic root of 3181043 is about 147.0696909898.

Adding to 3181043 its reverse (3401813), we get a palindrome (6582856).

The spelling of 3181043 in words is "three million, one hundred eighty-one thousand, forty-three".