431444022443 has 4 divisors (see below), whose sum is σ = 493078882800. Its totient is φ = 369809162088.

The previous prime is 431444022439. The next prime is 431444022463. The reversal of 431444022443 is 344220444134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 431444022443 - 2² = 431444022439 is a prime.

It is a super-2 number, since 2×431444022443² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431444022403) 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 in 3 ways as a sum of consecutive naturals, for example, 30817430168 + ... + 30817430181.

It is an arithmetic number, because the mean of its divisors is an integer number (123269720700).

Almost surely, 2^431444022443 is an apocalyptic number.

431444022443 is a deficient number, since it is larger than the sum of its proper divisors (61634860357).

431444022443 is an equidigital number, since it uses as much as digits as its factorization.

431444022443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61634860356.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 431444022443 its reverse (344220444134), we get a palindrome (775664466577).

The spelling of 431444022443 in words is "four hundred thirty-one billion, four hundred forty-four million, twenty-two thousand, four hundred forty-three".