5231534131 has 4 divisors (see below), whose sum is σ = 5231727472. Its totient is φ = 5231340792.

The previous prime is 5231534093. The next prime is 5231534137. The reversal of 5231534131 is 1314351325.

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 5231534131 - 2⁷ = 5231534003 is a prime.

It is a super-2 number, since 2×5231534131² = 54737898727635850322, which contains 22 as substring.

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 5231534131.

It is not an unprimeable number, because it can be changed into a prime (5231534137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47871 + ... + 112936.

It is an arithmetic number, because the mean of its divisors is an integer number (1307931868).

Almost surely, 2^5231534131 is an apocalyptic number.

5231534131 is a deficient number, since it is larger than the sum of its proper divisors (193341).

5231534131 is a wasteful number, since it uses less digits than its factorization.

5231534131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193340.

The product of its digits is 5400, while the sum is 28.

The square root of 5231534131 is about 72329.3448815901. The cubic root of 5231534131 is about 1735.9732190711.

Adding to 5231534131 its reverse (1314351325), we get a palindrome (6545885456).

The spelling of 5231534131 in words is "five billion, two hundred thirty-one million, five hundred thirty-four thousand, one hundred thirty-one".