6131144543 has 4 divisors (see below), whose sum is σ = 6134153520. Its totient is φ = 6128135568.

The previous prime is 6131144521. The next prime is 6131144549. The reversal of 6131144543 is 3454411316.

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 6131144543 - 2⁶ = 6131144479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6131144549) 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, 1501430 + ... + 1505507.

It is an arithmetic number, because the mean of its divisors is an integer number (1533538380).

Almost surely, 2^6131144543 is an apocalyptic number.

6131144543 is a deficient number, since it is larger than the sum of its proper divisors (3008977).

6131144543 is a wasteful number, since it uses less digits than its factorization.

6131144543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008976.

The product of its digits is 17280, while the sum is 32.

The square root of 6131144543 is about 78301.6254173564. The cubic root of 6131144543 is about 1830.2644807704.

Adding to 6131144543 its reverse (3454411316), we get a palindrome (9585555859).

The spelling of 6131144543 in words is "six billion, one hundred thirty-one million, one hundred forty-four thousand, five hundred forty-three".