531314540343 has 32 divisors (see below), whose sum is σ = 806358009600. Its totient is φ = 345577101408.

The previous prime is 531314540329. The next prime is 531314540357. The reversal of 531314540343 is 343045413135.

531314540343 is a `hidden beast` number, since 53 + 1 + 31 + 4 + 540 + 34 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (531314540329) and next prime (531314540357).

It is not a de Polignac number, because 531314540343 - 2⁵ = 531314540311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531314540298 and 531314540307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531314540543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 757288 + ... + 1279106.

It is an arithmetic number, because the mean of its divisors is an integer number (25198687800).

Almost surely, 2^531314540343 is an apocalyptic number.

531314540343 is a deficient number, since it is larger than the sum of its proper divisors (275043469257).

531314540343 is a wasteful number, since it uses less digits than its factorization.

531314540343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522748 (or 522742 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 531314540343 its reverse (343045413135), we get a palindrome (874359953478).

The spelling of 531314540343 in words is "five hundred thirty-one billion, three hundred fourteen million, five hundred forty thousand, three hundred forty-three".