3118881 has 8 divisors (see below), whose sum is σ = 4166944. Its totient is φ = 2075040.

The previous prime is 3118867. The next prime is 3118883. The reversal of 3118881 is 1888113.

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

It is not a de Polignac number, because 3118881 - 2⁵ = 3118849 is a prime.

It is a super-2 number, since 2×3118881² = 19454837384322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3118883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701 + ... + 3021.

It is an arithmetic number, because the mean of its divisors is an integer number (520868).

Almost surely, 2^3118881 is an apocalyptic number.

It is an amenable number.

3118881 is a deficient number, since it is larger than the sum of its proper divisors (1048063).

3118881 is a wasteful number, since it uses less digits than its factorization.

3118881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111.

The product of its digits is 1536, while the sum is 30.

The square root of 3118881 is about 1766.0353903589. The cubic root of 3118881 is about 146.1054002158.

The spelling of 3118881 in words is "three million, one hundred eighteen thousand, eight hundred eighty-one".