2043131 has 4 divisors (see below), whose sum is σ = 2046000. Its totient is φ = 2040264.

The previous prime is 2043121. The next prime is 2043149. The reversal of 2043131 is 1313402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1313402 = 2 ⋅656701.

It is a cyclic number.

It is not a de Polignac number, because 2043131 - 2¹⁰ = 2042107 is a prime.

It is a super-2 number, since 2×2043131² = 8348768566322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043101) 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, 545 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (511500).

2^2043131 is an apocalyptic number.

2043131 is a deficient number, since it is larger than the sum of its proper divisors (2869).

2043131 is a wasteful number, since it uses less digits than its factorization.

2043131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2043131 is about 1429.3813347039. The cubic root of 2043131 is about 126.8913655513.

Adding to 2043131 its reverse (1313402), we get a palindrome (3356533).

The spelling of 2043131 in words is "two million, forty-three thousand, one hundred thirty-one".