431484043 has 2 divisors, whose sum is σ = 431484044. Its totient is φ = 431484042.

The previous prime is 431484029. The next prime is 431484149. The reversal of 431484043 is 340484134.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431484043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431483996 and 431484014.

It is not a weakly prime, because it can be changed into another prime (431484023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215742021 + 215742022.

It is an arithmetic number, because the mean of its divisors is an integer number (215742022).

Almost surely, 2^431484043 is an apocalyptic number.

431484043 is a deficient number, since it is larger than the sum of its proper divisors (1).

431484043 is an equidigital number, since it uses as much as digits as its factorization.

431484043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 431484043 is about 20772.1939861922. The cubic root of 431484043 is about 755.6515539843.

Subtracting from 431484043 its reverse (340484134), we obtain a palindrome (90999909).

The spelling of 431484043 in words is "four hundred thirty-one million, four hundred eighty-four thousand, forty-three".