5131143544 has 16 divisors (see below), whose sum is σ = 9764490600. Its totient is φ = 2527279392.

The previous prime is 5131143503. The next prime is 5131143547. The reversal of 5131143544 is 4453411315.

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, 4785979 + ... + 4787050.

Almost surely, 2^5131143544 is an apocalyptic number.

It is an amenable number.

5131143544 is a deficient number, since it is larger than the sum of its proper divisors (4633347056).

5131143544 is a wasteful number, since it uses less digits than its factorization.

5131143544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573102 (or 9573098 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 5131143544 is about 71632.0008376145. Note that the first 3 decimals coincide. The cubic root of 5131143544 is about 1724.7972645867.

Adding to 5131143544 its reverse (4453411315), we get a palindrome (9584554859).

The spelling of 5131143544 in words is "five billion, one hundred thirty-one million, one hundred forty-three thousand, five hundred forty-four".