2006031 has 4 divisors (see below), whose sum is σ = 2674712. Its totient is φ = 1337352.

The previous prime is 2006021. The next prime is 2006033. The reversal of 2006031 is 1306002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2006031 - 2⁷ = 2005903 is a prime.

It is a super-2 number, since 2×2006031² = 8048320745922, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2005998 and 2006016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334336 + ... + 334341.

It is an arithmetic number, because the mean of its divisors is an integer number (668678).

2^2006031 is an apocalyptic number.

2006031 is a deficient number, since it is larger than the sum of its proper divisors (668681).

2006031 is an equidigital number, since it uses as much as digits as its factorization.

2006031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668680.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2006031 is about 1416.3442378179. The cubic root of 2006031 is about 126.1186209691.

The spelling of 2006031 in words is "two million, six thousand, thirty-one".