2043340431 has 24 divisors (see below), whose sum is σ = 3007202352. Its totient is φ = 1233196800.

The previous prime is 2043340379. The next prime is 2043340459. The reversal of 2043340431 is 1340433402.

It is not a de Polignac number, because 2043340431 - 2¹⁷ = 2043209359 is a prime.

It is a super-2 number, since 2×2043340431² = 8350480233918531522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043340031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75805 + ... + 99161.

It is an arithmetic number, because the mean of its divisors is an integer number (125300098).

Almost surely, 2^2043340431 is an apocalyptic number.

2043340431 is a deficient number, since it is larger than the sum of its proper divisors (963861921).

2043340431 is a wasteful number, since it uses less digits than its factorization.

2043340431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23623 (or 23612 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2043340431 is about 45203.3232296034. The cubic root of 2043340431 is about 1268.9570106671.

Adding to 2043340431 its reverse (1340433402), we get a palindrome (3383773833).

The spelling of 2043340431 in words is "two billion, forty-three million, three hundred forty thousand, four hundred thirty-one".