431145343 has 2 divisors, whose sum is σ = 431145344. Its totient is φ = 431145342.

The previous prime is 431145329. The next prime is 431145353. The reversal of 431145343 is 343541134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431145343 - 2¹⁷ = 431014271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431145353) 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, 215572671 + 215572672.

It is an arithmetic number, because the mean of its divisors is an integer number (215572672).

Almost surely, 2^431145343 is an apocalyptic number.

431145343 is a deficient number, since it is larger than the sum of its proper divisors (1).

431145343 is an equidigital number, since it uses as much as digits as its factorization.

431145343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 431145343 is about 20764.0396599506. The cubic root of 431145343 is about 755.4537821451.

Adding to 431145343 its reverse (343541134), we get a palindrome (774686477).

The spelling of 431145343 in words is "four hundred thirty-one million, one hundred forty-five thousand, three hundred forty-three".