5131143543 has 4 divisors (see below), whose sum is σ = 6841524728. Its totient is φ = 3420762360.

The previous prime is 5131143503. The next prime is 5131143547. The reversal of 5131143543 is 3453411315.

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

It is not a de Polignac number, because 5131143543 - 2¹³ = 5131135351 is a prime.

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 5131143543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131143547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855190588 + ... + 855190593.

It is an arithmetic number, because the mean of its divisors is an integer number (1710381182).

Almost surely, 2^5131143543 is an apocalyptic number.

5131143543 is a deficient number, since it is larger than the sum of its proper divisors (1710381185).

5131143543 is a wasteful number, since it uses less digits than its factorization.

5131143543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710381184.

The product of its digits is 10800, while the sum is 30.

The square root of 5131143543 is about 71632.0008306343. Note that the first 3 decimals coincide. The cubic root of 5131143543 is about 1724.7972644746.

Adding to 5131143543 its reverse (3453411315), we get a palindrome (8584554858).

The spelling of 5131143543 in words is "five billion, one hundred thirty-one million, one hundred forty-three thousand, five hundred forty-three".