531323350534 has 16 divisors (see below), whose sum is σ = 840023259120. Its totient is φ = 251661286240.

The previous prime is 531323350531. The next prime is 531323350559. The reversal of 531323350534 is 435053323135.

It is a junction number, because it is equal to n+sod(n) for n = 531323350493 and 531323350502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531323350531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 86419072 + ... + 86425219.

It is an arithmetic number, because the mean of its divisors is an integer number (52501453695).

Almost surely, 2^531323350534 is an apocalyptic number.

531323350534 is a deficient number, since it is larger than the sum of its proper divisors (308699908586).

531323350534 is a wasteful number, since it uses less digits than its factorization.

531323350534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172844375.

The product of its (nonzero) digits is 243000, while the sum is 37.

Adding to 531323350534 its reverse (435053323135), we get a palindrome (966376673669).

The spelling of 531323350534 in words is "five hundred thirty-one billion, three hundred twenty-three million, three hundred fifty thousand, five hundred thirty-four".