531245330344 has 32 divisors (see below), whose sum is σ = 997357132800. Its totient is φ = 265283657280.

The previous prime is 531245330333. The next prime is 531245330479. The reversal of 531245330344 is 443033542135.

It is a happy number.

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, 20909889 + ... + 20935279.

It is an arithmetic number, because the mean of its divisors is an integer number (31167410400).

Almost surely, 2^531245330344 is an apocalyptic number.

It is an amenable number.

531245330344 is a deficient number, since it is larger than the sum of its proper divisors (466111802456).

531245330344 is a wasteful number, since it uses less digits than its factorization.

531245330344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28633 (or 28629 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 531245330344 its reverse (443033542135), we get a palindrome (974278872479).

The spelling of 531245330344 in words is "five hundred thirty-one billion, two hundred forty-five million, three hundred thirty thousand, three hundred forty-four".