424321324431 has 4 divisors (see below), whose sum is σ = 565761765912. Its totient is φ = 282880882952.

The previous prime is 424321324421. The next prime is 424321324501. The reversal of 424321324431 is 134423123424.

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 424321324431 - 2¹⁰ = 424321323407 is a prime.

It is a super-4 number, since 4×424321324431⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 424321324392 and 424321324401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424321324421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70720220736 + ... + 70720220741.

It is an arithmetic number, because the mean of its divisors is an integer number (141440441478).

Almost surely, 2^424321324431 is an apocalyptic number.

424321324431 is a deficient number, since it is larger than the sum of its proper divisors (141440441481).

424321324431 is a wasteful number, since it uses less digits than its factorization.

424321324431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141440441480.

The product of its digits is 55296, while the sum is 33.

Adding to 424321324431 its reverse (134423123424), we get a palindrome (558744447855).

The spelling of 424321324431 in words is "four hundred twenty-four billion, three hundred twenty-one million, three hundred twenty-four thousand, four hundred thirty-one".