2006131 has 4 divisors (see below), whose sum is σ = 2025712. Its totient is φ = 1986552.

The previous prime is 2006111. The next prime is 2006141. The reversal of 2006131 is 1316002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1316002 = 2 ⋅658001.

It is a cyclic number.

It is not a de Polignac number, because 2006131 - 2¹¹ = 2004083 is a prime.

It is a super-2 number, since 2×2006131² = 8049123178322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2006111) 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 3 ways as a sum of consecutive naturals, for example, 9636 + ... + 9841.

It is an arithmetic number, because the mean of its divisors is an integer number (506428).

2^2006131 is an apocalyptic number.

2006131 is a deficient number, since it is larger than the sum of its proper divisors (19581).

2006131 is a wasteful number, since it uses less digits than its factorization.

2006131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19580.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2006131 is about 1416.3795395303. The cubic root of 2006131 is about 126.1207165919.

The spelling of 2006131 in words is "two million, six thousand, one hundred thirty-one".