431163324230643 has 12 divisors (see below), whose sum is σ = 622797235630960. Its totient is φ = 287439554324016.

The previous prime is 431163324230641. The next prime is 431163324230671. The reversal of 431163324230643 is 346032423361134.

431163324230643 is a `hidden beast` number, since 4 + 3 + 1 + 1 + 6 + 332 + 4 + 2 + 306 + 4 + 3 = 666.

It is not a de Polignac number, because 431163324230643 - 2¹ = 431163324230641 is a prime.

It is a super-2 number, since 2×431163324230643² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431163324230641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220793023 + ... + 222737256.

Almost surely, 2^{431163324230643} is an apocalyptic number.

431163324230643 is a deficient number, since it is larger than the sum of its proper divisors (191633911400317).

431163324230643 is a wasteful number, since it uses less digits than its factorization.

431163324230643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443638298 (or 443638295 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 45.

Adding to 431163324230643 its reverse (346032423361134), we get a palindrome (777195747591777).

The spelling of 431163324230643 in words is "four hundred thirty-one trillion, one hundred sixty-three billion, three hundred twenty-four million, two hundred thirty thousand, six hundred forty-three".