531331150052 has 24 divisors (see below), whose sum is σ = 935296231800. Its totient is φ = 264103958016.

The previous prime is 531331150033. The next prime is 531331150123. The reversal of 531331150052 is 250051133135.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 240439199716 + 290891950336 = 490346^2 + 539344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 531331149997 and 531331150024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8347724 + ... + 8411132.

It is an arithmetic number, because the mean of its divisors is an integer number (38970676325).

Almost surely, 2^531331150052 is an apocalyptic number.

It is an amenable number.

531331150052 is a deficient number, since it is larger than the sum of its proper divisors (403965081748).

531331150052 is a wasteful number, since it uses less digits than its factorization.

531331150052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75695 (or 75693 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 531331150052 its reverse (250051133135), we get a palindrome (781382283187).

The spelling of 531331150052 in words is "five hundred thirty-one billion, three hundred thirty-one million, one hundred fifty thousand, fifty-two".