4018131 has 24 divisors (see below), whose sum is σ = 6364176. Its totient is φ = 2427840.

The previous prime is 4018109. The next prime is 4018151. The reversal of 4018131 is 1318104.

It is not a de Polignac number, because 4018131 - 2⁵ = 4018099 is a prime.

It is a super-2 number, since 2×4018131² = 32290753466322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6856 + ... + 7418.

It is an arithmetic number, because the mean of its divisors is an integer number (265174).

Almost surely, 2^4018131 is an apocalyptic number.

4018131 is a deficient number, since it is larger than the sum of its proper divisors (2346045).

4018131 is a wasteful number, since it uses less digits than its factorization.

4018131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 4018131 is about 2004.5276251526. The cubic root of 4018131 is about 158.9795867943.

The spelling of 4018131 in words is "four million, eighteen thousand, one hundred thirty-one".