3109971 has 8 divisors (see below), whose sum is σ = 4157440. Its totient is φ = 2067912.

The previous prime is 3109969. The next prime is 3109979. The reversal of 3109971 is 1799013.

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

It is not a de Polignac number, because 3109971 - 2¹ = 3109969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3109979) 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, 270 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (519680).

Almost surely, 2^3109971 is an apocalyptic number.

3109971 is a deficient number, since it is larger than the sum of its proper divisors (1047469).

3109971 is a wasteful number, since it uses less digits than its factorization.

3109971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 3109971 is about 1763.5109866400. The cubic root of 3109971 is about 145.9661365136.

The spelling of 3109971 in words is "three million, one hundred nine thousand, nine hundred seventy-one".