2040231 has 4 divisors (see below), whose sum is σ = 2720312. Its totient is φ = 1360152.

The previous prime is 2040229. The next prime is 2040251. The reversal of 2040231 is 1320402.

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

It is not a de Polignac number, because 2040231 - 2¹ = 2040229 is a prime.

It is a super-2 number, since 2×2040231² = 8325085066722, which contains 22 as substring.

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 (2040211) 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, 340036 + ... + 340041.

It is an arithmetic number, because the mean of its divisors is an integer number (680078).

2^2040231 is an apocalyptic number.

2040231 is a deficient number, since it is larger than the sum of its proper divisors (680081).

2040231 is an equidigital number, since it uses as much as digits as its factorization.

2040231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680080.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2040231 is about 1428.3665495943. The cubic root of 2040231 is about 126.8313010062.

Adding to 2040231 its reverse (1320402), we get a palindrome (3360633).

The spelling of 2040231 in words is "two million, forty thousand, two hundred thirty-one".