5131235018 has 96 divisors (see below), whose sum is σ = 10342080000. Its totient is φ = 1885718016.

The previous prime is 5131235017. The next prime is 5131235051. The reversal of 5131235018 is 8105321315.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5131235017) 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 47 ways as a sum of consecutive naturals, for example, 1709483 + ... + 1712481.

It is an arithmetic number, because the mean of its divisors is an integer number (107730000).

Almost surely, 2^5131235018 is an apocalyptic number.

5131235018 is an abundant number, since it is smaller than the sum of its proper divisors (5210844982).

5131235018 is a wasteful number, since it uses less digits than its factorization.

5131235018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 5131235018 is about 71632.6393343146. The cubic root of 5131235018 is about 1724.8075139698.

The spelling of 5131235018 in words is "five billion, one hundred thirty-one million, two hundred thirty-five thousand, eighteen".