531323255333 has 16 divisors (see below), whose sum is σ = 579698085120. Its totient is φ = 484025989824.

The previous prime is 531323255303. The next prime is 531323255383. The reversal of 531323255333 is 333552323135.

It is not a de Polignac number, because 531323255333 - 2¹⁶ = 531323189797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531323255303) 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 15 ways as a sum of consecutive naturals, for example, 2188235 + ... + 2418887.

It is an arithmetic number, because the mean of its divisors is an integer number (36231130320).

Almost surely, 2^531323255333 is an apocalyptic number.

It is an amenable number.

531323255333 is a deficient number, since it is larger than the sum of its proper divisors (48374829787).

531323255333 is a wasteful number, since it uses less digits than its factorization.

531323255333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232988.

The product of its digits is 364500, while the sum is 38.

Adding to 531323255333 its reverse (333552323135), we get a palindrome (864875578468).

The spelling of 531323255333 in words is "five hundred thirty-one billion, three hundred twenty-three million, two hundred fifty-five thousand, three hundred thirty-three".