5243143231 has 4 divisors (see below), whose sum is σ = 5297196352. Its totient is φ = 5189090112.

The previous prime is 5243143211. The next prime is 5243143261. The reversal of 5243143231 is 1323413425.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5243143231 - 2¹⁹ = 5242618943 is a prime.

It is a super-2 number, since 2×5243143231² = 54981101881562238722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5243143231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243143211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27026415 + ... + 27026608.

It is an arithmetic number, because the mean of its divisors is an integer number (1324299088).

Almost surely, 2^5243143231 is an apocalyptic number.

5243143231 is a deficient number, since it is larger than the sum of its proper divisors (54053121).

5243143231 is an equidigital number, since it uses as much as digits as its factorization.

5243143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54053120.

The product of its digits is 8640, while the sum is 28.

The square root of 5243143231 is about 72409.5520701516. The cubic root of 5243143231 is about 1737.2563479812.

Adding to 5243143231 its reverse (1323413425), we get a palindrome (6566556656).

The spelling of 5243143231 in words is "five billion, two hundred forty-three million, one hundred forty-three thousand, two hundred thirty-one".