3144886261 has 4 divisors (see below), whose sum is σ = 3430785024. Its totient is φ = 2858987500.

The previous prime is 3144886229. The next prime is 3144886271. The reversal of 3144886261 is 1626884413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3144886261 - 2⁵ = 3144886229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144886201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142949365 + ... + 142949386.

It is an arithmetic number, because the mean of its divisors is an integer number (857696256).

Almost surely, 2^3144886261 is an apocalyptic number.

It is an amenable number.

3144886261 is a deficient number, since it is larger than the sum of its proper divisors (285898763).

3144886261 is a wasteful number, since it uses less digits than its factorization.

3144886261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285898762.

The product of its digits is 221184, while the sum is 43.

The square root of 3144886261 is about 56079.2854893855. The cubic root of 3144886261 is about 1465.1035288926.

The spelling of 3144886261 in words is "three billion, one hundred forty-four million, eight hundred eighty-six thousand, two hundred sixty-one".