3181049 has 2 divisors, whose sum is σ = 3181050. Its totient is φ = 3181048.

The previous prime is 3181043. The next prime is 3181051. The reversal of 3181049 is 9401813.

3181049 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 can be written as a sum of positive squares in only one way, i.e., 3125824 + 55225 = 1768^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 3181049 - 2⁴ = 3181033 is a prime.

Together with 3181051, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3181043) 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, 1590524 + 1590525.

It is an arithmetic number, because the mean of its divisors is an integer number (1590525).

Almost surely, 2^3181049 is an apocalyptic number.

It is an amenable number.

3181049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3181049 is an equidigital number, since it uses as much as digits as its factorization.

3181049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 3181049 is about 1783.5495507555. The cubic root of 3181049 is about 147.0697834561.

The spelling of 3181049 in words is "three million, one hundred eighty-one thousand, forty-nine".