3109143 has 8 divisors (see below), whose sum is σ = 4202608. Its totient is φ = 2044224.

The previous prime is 3109121. The next prime is 3109157. The reversal of 3109143 is 3419013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3109143 - 2⁵ = 3109111 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 (3109193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6880 + ... + 7317.

It is an arithmetic number, because the mean of its divisors is an integer number (525326).

Almost surely, 2^3109143 is an apocalyptic number.

3109143 is a deficient number, since it is larger than the sum of its proper divisors (1093465).

3109143 is a wasteful number, since it uses less digits than its factorization.

3109143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14273.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3109143 is about 1763.2762120553. The cubic root of 3109143 is about 145.9531813350.

It can be divided in two parts, 310 and 9143, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 3109143 in words is "three million, one hundred nine thousand, one hundred forty-three".