5131143424 has 135 divisors (see below), whose sum is σ = 11579124585. Its totient is φ = 2269301760.

The previous prime is 5131143389. The next prime is 5131143427. The reversal of 5131143424 is 4243411315.

The square root of 5131143424 is 71632.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4591417600 + 539725824 = 67760^2 + 23232^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5131143392 and 5131143401.

It is not an unprimeable number, because it can be changed into a prime (5131143427) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 138679534 + ... + 138679570.

Almost surely, 2^5131143424 is an apocalyptic number.

5131143424 is the 71632-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5131143424

5131143424 is an abundant number, since it is smaller than the sum of its proper divisors (6447981161).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5131143424 is an frugal number, since it uses more digits than its factorization.

5131143424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 50 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The cubic root of 5131143424 is about 1724.7972511410.

Adding to 5131143424 its reverse (4243411315), we get a palindrome (9374554739).

The spelling of 5131143424 in words is "five billion, one hundred thirty-one million, one hundred forty-three thousand, four hundred twenty-four".