431332043 has 2 divisors, whose sum is σ = 431332044. Its totient is φ = 431332042.

The previous prime is 431332009. The next prime is 431332049. The reversal of 431332043 is 340233134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431332043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (431332049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215666021 + 215666022.

It is an arithmetic number, because the mean of its divisors is an integer number (215666022).

Almost surely, 2^431332043 is an apocalyptic number.

431332043 is a deficient number, since it is larger than the sum of its proper divisors (1).

431332043 is an equidigital number, since it uses as much as digits as its factorization.

431332043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 431332043 is about 20768.5349266625. The cubic root of 431332043 is about 755.5628117871.

Adding to 431332043 its reverse (340233134), we get a palindrome (771565177).

The spelling of 431332043 in words is "four hundred thirty-one million, three hundred thirty-two thousand, forty-three".