531200520132 has 12 divisors (see below), whose sum is σ = 1239467880336. Its totient is φ = 177066840040.

The previous prime is 531200520131. The next prime is 531200520163. The reversal of 531200520132 is 231025002135.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (531200520131) 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, 22133354994 + ... + 22133355017.

It is an arithmetic number, because the mean of its divisors is an integer number (103288990028).

Almost surely, 2^531200520132 is an apocalyptic number.

It is an amenable number.

531200520132 is an abundant number, since it is smaller than the sum of its proper divisors (708267360204).

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

531200520132 is a wasteful number, since it uses less digits than its factorization.

531200520132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44266710018 (or 44266710016 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 531200520132 its reverse (231025002135), we get a palindrome (762225522267).

The spelling of 531200520132 in words is "five hundred thirty-one billion, two hundred million, five hundred twenty thousand, one hundred thirty-two".