2031087 has 4 divisors (see below), whose sum is σ = 2708120. Its totient is φ = 1354056.

The previous prime is 2031077. The next prime is 2031103. The reversal of 2031087 is 7801302.

2031087 is nontrivially palindromic in base 8.

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

It is not a de Polignac number, because 2031087 - 2⁶ = 2031023 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031037) 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, 338512 + ... + 338517.

It is an arithmetic number, because the mean of its divisors is an integer number (677030).

2^2031087 is an apocalyptic number.

2031087 is a deficient number, since it is larger than the sum of its proper divisors (677033).

2031087 is an equidigital number, since it uses as much as digits as its factorization.

2031087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677032.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2031087 is about 1425.1620960438. The cubic root of 2031087 is about 126.6415377975.

Adding to 2031087 its reverse (7801302), we get a palindrome (9832389).

The spelling of 2031087 in words is "two million, thirty-one thousand, eighty-seven".