430144422431 has 4 divisors (see below), whose sum is σ = 432783345432. Its totient is φ = 427505499432.

The previous prime is 430144422403. The next prime is 430144422467. The reversal of 430144422431 is 134224441034.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-430144422431 is a prime.

It is a super-2 number, since 2×430144422431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430144422401) 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, 1319461256 + ... + 1319461581.

It is an arithmetic number, because the mean of its divisors is an integer number (108195836358).

Almost surely, 2^430144422431 is an apocalyptic number.

430144422431 is a deficient number, since it is larger than the sum of its proper divisors (2638923001).

430144422431 is a wasteful number, since it uses less digits than its factorization.

430144422431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638923000.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 430144422431 its reverse (134224441034), we get a palindrome (564368863465).

The spelling of 430144422431 in words is "four hundred thirty billion, one hundred forty-four million, four hundred twenty-two thousand, four hundred thirty-one".