2071131 has 4 divisors (see below), whose sum is σ = 2761512. Its totient is φ = 1380752.

The previous prime is 2071123. The next prime is 2071159. The reversal of 2071131 is 1311702.

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

It is a cyclic number.

It is not a de Polignac number, because 2071131 - 2³ = 2071123 is a prime.

It is a super-2 number, since 2×2071131² = 8579167238322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2071131.

It is not an unprimeable number, because it can be changed into a prime (2071631) 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, 345186 + ... + 345191.

It is an arithmetic number, because the mean of its divisors is an integer number (690378).

2^2071131 is an apocalyptic number.

2071131 is a deficient number, since it is larger than the sum of its proper divisors (690381).

2071131 is an equidigital number, since it uses as much as digits as its factorization.

2071131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690380.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 2071131 is about 1439.1424529907. The cubic root of 2071131 is about 127.4683966270.

Adding to 2071131 its reverse (1311702), we get a palindrome (3382833).

The spelling of 2071131 in words is "two million, seventy-one thousand, one hundred thirty-one".