531428070344 has 16 divisors (see below), whose sum is σ = 996435423900. Its totient is φ = 265711957312.

The previous prime is 531428070323. The next prime is 531428070389. The reversal of 531428070344 is 443070824135.

It can be written as a sum of positive squares in 2 ways, for example, as 493660812100 + 37767258244 = 702610^2 + 194338^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1674842 + ... + 1966710.

Almost surely, 2^531428070344 is an apocalyptic number.

It is an amenable number.

531428070344 is a deficient number, since it is larger than the sum of its proper divisors (465007353556).

531428070344 is a wasteful number, since it uses less digits than its factorization.

531428070344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519472 (or 519468 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

Adding to 531428070344 its reverse (443070824135), we get a palindrome (974498894479).

The spelling of 531428070344 in words is "five hundred thirty-one billion, four hundred twenty-eight million, seventy thousand, three hundred forty-four".