424333420431 has 4 divisors (see below), whose sum is σ = 565777893912. Its totient is φ = 282888946952.

The previous prime is 424333420421. The next prime is 424333420447. The reversal of 424333420431 is 134024333424.

It is a happy number.

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 424333420431 - 2²⁷ = 424199202703 is a prime.

It is a super-2 number, since 2×424333420431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424333420392 and 424333420401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424333420421) 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, 70722236736 + ... + 70722236741.

It is an arithmetic number, because the mean of its divisors is an integer number (141444473478).

Almost surely, 2^424333420431 is an apocalyptic number.

424333420431 is a deficient number, since it is larger than the sum of its proper divisors (141444473481).

424333420431 is a wasteful number, since it uses less digits than its factorization.

424333420431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141444473480.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 424333420431 its reverse (134024333424), we get a palindrome (558357753855).

The spelling of 424333420431 in words is "four hundred twenty-four billion, three hundred thirty-three million, four hundred twenty thousand, four hundred thirty-one".