3118131 has 12 divisors (see below), whose sum is σ = 4529200. Its totient is φ = 2067120.

The previous prime is 3118099. The next prime is 3118139. The reversal of 3118131 is 1318113.

It is a happy number.

It is not a de Polignac number, because 3118131 - 2⁵ = 3118099 is a prime.

It is a super-2 number, since 2×3118131² = 19445481866322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3118139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 921 + ... + 2661.

Almost surely, 2^3118131 is an apocalyptic number.

3118131 is a deficient number, since it is larger than the sum of its proper divisors (1411069).

3118131 is a wasteful number, since it uses less digits than its factorization.

3118131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1943 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 3118131 is about 1765.8230375663. The cubic root of 3118131 is about 146.0936879131.

Subtracting from 3118131 its sum of digits (18), we obtain a palindrome (3118113).

It can be divided in two parts, 3118 and 131, that added together give a square (3249 = 57²).

The spelling of 3118131 in words is "three million, one hundred eighteen thousand, one hundred thirty-one".