3144985181 has 16 divisors (see below), whose sum is σ = 3447951360. Its totient is φ = 2851130880.

The previous prime is 3144985153. The next prime is 3144985187. The reversal of 3144985181 is 1815894413.

It is not a de Polignac number, because 3144985181 - 2¹⁴ = 3144968797 is a prime.

It is a super-2 number, since 2×3144985181² = 19781863577419205522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144985187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188141 + ... + 204173.

It is an arithmetic number, because the mean of its divisors is an integer number (215496960).

Almost surely, 2^3144985181 is an apocalyptic number.

It is an amenable number.

3144985181 is a deficient number, since it is larger than the sum of its proper divisors (302966179).

3144985181 is a wasteful number, since it uses less digits than its factorization.

3144985181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16316.

The product of its digits is 138240, while the sum is 44.

The square root of 3144985181 is about 56080.1674480382. The cubic root of 3144985181 is about 1465.1188899697.

The spelling of 3144985181 in words is "three billion, one hundred forty-four million, nine hundred eighty-five thousand, one hundred eighty-one".