3144181 has 2 divisors, whose sum is σ = 3144182. Its totient is φ = 3144180.

The previous prime is 3144179. The next prime is 3144191. The reversal of 3144181 is 1814413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 133956 = 1735^2 + 366^2 .

It is an emirp because it is prime and its reverse (1814413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3144181 - 2¹ = 3144179 is a prime.

It is a super-2 number, since 2×3144181² = 19771748321522, which contains 22 as substring.

Together with 3144179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3144161) 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, 1572090 + 1572091.

It is an arithmetic number, because the mean of its divisors is an integer number (1572091).

Almost surely, 2^3144181 is an apocalyptic number.

It is an amenable number.

3144181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144181 is an equidigital number, since it uses as much as digits as its factorization.

3144181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 22.

The square root of 3144181 is about 1773.1838596152. The cubic root of 3144181 is about 146.4994001070.

Adding to 3144181 its reverse (1814413), we get a palindrome (4958594).

The spelling of 3144181 in words is "three million, one hundred forty-four thousand, one hundred eighty-one".