531430005432 has 16 divisors (see below), whose sum is σ = 1328575013640. Its totient is φ = 177143335136.

The previous prime is 531430005413. The next prime is 531430005439. The reversal of 531430005432 is 234500034135.

It is a self number, because there is not a number n which added to its sum of digits gives 531430005432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531430005439) 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, 11071458423 + ... + 11071458470.

Almost surely, 2^531430005432 is an apocalyptic number.

It is an amenable number.

531430005432 is an abundant number, since it is smaller than the sum of its proper divisors (797145008208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531430005432 is a wasteful number, since it uses less digits than its factorization.

531430005432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22142916902 (or 22142916898 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 531430005432 its reverse (234500034135), we get a palindrome (765930039567).

The spelling of 531430005432 in words is "five hundred thirty-one billion, four hundred thirty million, five thousand, four hundred thirty-two".