531132343 has 16 divisors (see below), whose sum is σ = 643325760. Its totient is φ = 428069376.

The previous prime is 531132341. The next prime is 531132347. The reversal of 531132343 is 343231135.

It is not a de Polignac number, because 531132343 - 2¹ = 531132341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531132341) 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, 228873 + ... + 231181.

It is an arithmetic number, because the mean of its divisors is an integer number (40207860).

Almost surely, 2^531132343 is an apocalyptic number.

531132343 is a deficient number, since it is larger than the sum of its proper divisors (112193417).

531132343 is a wasteful number, since it uses less digits than its factorization.

531132343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266.

The product of its digits is 3240, while the sum is 25.

The square root of 531132343 is about 23046.3086632111. The cubic root of 531132343 is about 809.8431556295.

Adding to 531132343 its reverse (343231135), we get a palindrome (874363478).

The spelling of 531132343 in words is "five hundred thirty-one million, one hundred thirty-two thousand, three hundred forty-three".