5142544231 has 4 divisors (see below), whose sum is σ = 5610048264. Its totient is φ = 4675040200.

The previous prime is 5142544201. The next prime is 5142544249. The reversal of 5142544231 is 1324452415.

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 5142544231 - 2⁹ = 5142543719 is a prime.

It is a super-2 number, since 2×5142544231² = 52891522335582762722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5142544193 and 5142544202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142544201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233752000 + ... + 233752021.

It is an arithmetic number, because the mean of its divisors is an integer number (1402512066).

Almost surely, 2^5142544231 is an apocalyptic number.

5142544231 is a deficient number, since it is larger than the sum of its proper divisors (467504033).

5142544231 is a wasteful number, since it uses less digits than its factorization.

5142544231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467504032.

The product of its digits is 19200, while the sum is 31.

The square root of 5142544231 is about 71711.5348531880. The cubic root of 5142544231 is about 1726.0737395134.

Adding to 5142544231 its reverse (1324452415), we get a palindrome (6466996646).

The spelling of 5142544231 in words is "five billion, one hundred forty-two million, five hundred forty-four thousand, two hundred thirty-one".