431543234441 has 4 divisors (see below), whose sum is σ = 470774437584. Its totient is φ = 392312031300.

The previous prime is 431543234387. The next prime is 431543234449. The reversal of 431543234441 is 144432345134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431543234441 - 2⁶ = 431543234377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431543234395 and 431543234404.

It is not an unprimeable number, because it can be changed into a prime (431543234449) 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 3 ways as a sum of consecutive naturals, for example, 19615601555 + ... + 19615601576.

It is an arithmetic number, because the mean of its divisors is an integer number (117693609396).

Almost surely, 2^431543234441 is an apocalyptic number.

It is an amenable number.

431543234441 is a deficient number, since it is larger than the sum of its proper divisors (39231203143).

431543234441 is a wasteful number, since it uses less digits than its factorization.

431543234441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39231203142.

The product of its digits is 276480, while the sum is 38.

Adding to 431543234441 its reverse (144432345134), we get a palindrome (575975579575).

The spelling of 431543234441 in words is "four hundred thirty-one billion, five hundred forty-three million, two hundred thirty-four thousand, four hundred forty-one".