531352340432 has 40 divisors (see below), whose sum is σ = 1044273386184. Its totient is φ = 261867147264.

The previous prime is 531352340423. The next prime is 531352340531. The reversal of 531352340432 is 234043253135.

It can be written as a sum of positive squares in 4 ways, for example, as 53036247616 + 478316092816 = 230296^2 + 691604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 531352340392 and 531352340401.

It is a congruent 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, 1667438 + ... + 1960370.

Almost surely, 2^531352340432 is an apocalyptic number.

It is an amenable number.

531352340432 is a deficient number, since it is larger than the sum of its proper divisors (512921045752).

531352340432 is a wasteful number, since it uses less digits than its factorization.

531352340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294567 (or 294561 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 531352340432 its reverse (234043253135), we get a palindrome (765395593567).

The spelling of 531352340432 in words is "five hundred thirty-one billion, three hundred fifty-two million, three hundred forty thousand, four hundred thirty-two".