2043432031 has 4 divisors (see below), whose sum is σ = 2050002864. Its totient is φ = 2036861200.

The previous prime is 2043432023. The next prime is 2043432037. The reversal of 2043432031 is 1302343402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1302343402 = 2 ⋅651171701.

It is a cyclic number.

It is not a de Polignac number, because 2043432031 - 2³ = 2043432023 is a prime.

It is a super-2 number, since 2×2043432031² = 8351228930633569922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2043431993 and 2043432011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043432037) 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, 3284950 + ... + 3285571.

It is an arithmetic number, because the mean of its divisors is an integer number (512500716).

Almost surely, 2^2043432031 is an apocalyptic number.

2043432031 is a deficient number, since it is larger than the sum of its proper divisors (6570833).

2043432031 is an equidigital number, since it uses as much as digits as its factorization.

2043432031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570832.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2043432031 is about 45204.3364180916. The cubic root of 2043432031 is about 1268.9759722203.

Adding to 2043432031 its reverse (1302343402), we get a palindrome (3345775433).

The spelling of 2043432031 in words is "two billion, forty-three million, four hundred thirty-two thousand, thirty-one".