431343221063 has 2 divisors, whose sum is σ = 431343221064. Its totient is φ = 431343221062.

The previous prime is 431343221021. The next prime is 431343221119. The reversal of 431343221063 is 360122343134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431343221063 - 2⁸ = 431343220807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431343223063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215671610531 + 215671610532.

It is an arithmetic number, because the mean of its divisors is an integer number (215671610532).

Almost surely, 2^431343221063 is an apocalyptic number.

431343221063 is a deficient number, since it is larger than the sum of its proper divisors (1).

431343221063 is an equidigital number, since it uses as much as digits as its factorization.

431343221063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 431343221063 its reverse (360122343134), we get a palindrome (791465564197).

The spelling of 431343221063 in words is "four hundred thirty-one billion, three hundred forty-three million, two hundred twenty-one thousand, sixty-three".