3143931 has 8 divisors (see below), whose sum is σ = 4790784. Its totient is φ = 1796520.

The previous prime is 3143897. The next prime is 3143953. The reversal of 3143931 is 1393413.

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

It is not a de Polignac number, because 3143931 - 2¹⁰ = 3142907 is a prime.

It is a super-2 number, since 2×3143931² = 19768604265522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3143131) 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 7 ways as a sum of consecutive naturals, for example, 74835 + ... + 74876.

It is an arithmetic number, because the mean of its divisors is an integer number (598848).

Almost surely, 2^3143931 is an apocalyptic number.

3143931 is a deficient number, since it is larger than the sum of its proper divisors (1646853).

3143931 is a wasteful number, since it uses less digits than its factorization.

3143931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149721.

The product of its digits is 972, while the sum is 24.

The square root of 3143931 is about 1773.1133635501. The cubic root of 3143931 is about 146.4955171859.

The spelling of 3143931 in words is "three million, one hundred forty-three thousand, nine hundred thirty-one".