3143291 has 4 divisors (see below), whose sum is σ = 3147312. Its totient is φ = 3139272.

The previous prime is 3143263. The next prime is 3143299. The reversal of 3143291 is 1923413.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3143291 - 2¹⁰ = 3142267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3143299) 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 in 3 ways as a sum of consecutive naturals, for example, 416 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (786828).

Almost surely, 2^3143291 is an apocalyptic number.

3143291 is a deficient number, since it is larger than the sum of its proper divisors (4021).

3143291 is a wasteful number, since it uses less digits than its factorization.

3143291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020.

The product of its digits is 648, while the sum is 23.

The square root of 3143291 is about 1772.9328808503. The cubic root of 3143291 is about 146.4855759696.

The spelling of 3143291 in words is "three million, one hundred forty-three thousand, two hundred ninety-one".