531352205343 has 16 divisors (see below), whose sum is σ = 833493656160. Its totient is φ = 333397461888.

The previous prime is 531352205269. The next prime is 531352205353. The reversal of 531352205343 is 343502253135.

531352205343 is a `hidden beast` number, since 53 + 1 + 3 + 52 + 20 + 534 + 3 = 666.

It is not a de Polignac number, because 531352205343 - 2¹⁶ = 531352139807 is a prime.

It is a super-2 number, since 2×531352205343² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531352205298 and 531352205307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531352205353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578814580 + ... + 578815497.

It is an arithmetic number, because the mean of its divisors is an integer number (52093353510).

Almost surely, 2^531352205343 is an apocalyptic number.

531352205343 is a deficient number, since it is larger than the sum of its proper divisors (302141450817).

531352205343 is a wasteful number, since it uses less digits than its factorization.

531352205343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157630103 (or 1157630097 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 531352205343 its reverse (343502253135), we get a palindrome (874854458478).

The spelling of 531352205343 in words is "five hundred thirty-one billion, three hundred fifty-two million, two hundred five thousand, three hundred forty-three".