531243235324 has 12 divisors (see below), whose sum is σ = 940121456400. Its totient is φ = 262637104928.

The previous prime is 531243235253. The next prime is 531243235351. The reversal of 531243235324 is 423532342135.

It is a congruent number.

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, 746127784 + ... + 746128495.

It is an arithmetic number, because the mean of its divisors is an integer number (78343454700).

Almost surely, 2^531243235324 is an apocalyptic number.

It is an amenable number.

531243235324 is a deficient number, since it is larger than the sum of its proper divisors (408878221076).

531243235324 is a wasteful number, since it uses less digits than its factorization.

531243235324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492256372 (or 1492256370 counting only the distinct ones).

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

Adding to 531243235324 its reverse (423532342135), we get a palindrome (954775577459).

The spelling of 531243235324 in words is "five hundred thirty-one billion, two hundred forty-three million, two hundred thirty-five thousand, three hundred twenty-four".