5631313005 has 36 divisors (see below), whose sum is σ = 10301744700. Its totient is φ = 2845286784.

The previous prime is 5631313001. The next prime is 5631313007. The reversal of 5631313005 is 5003131365.

It can be written as a sum of positive squares in 2 ways, for example, as 3126710889 + 2504602116 = 55917^2 + 50046^2 .

It is not a de Polignac number, because 5631313005 - 2² = 5631313001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5631313005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631313001) 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 35 ways as a sum of consecutive naturals, for example, 157080 + ... + 189569.

It is an arithmetic number, because the mean of its divisors is an integer number (286159575).

Almost surely, 2^5631313005 is an apocalyptic number.

It is an amenable number.

5631313005 is a deficient number, since it is larger than the sum of its proper divisors (4670431695).

5631313005 is a wasteful number, since it uses less digits than its factorization.

5631313005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346698 (or 346676 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 5631313005 is about 75042.0748980197. The cubic root of 5631313005 is about 1779.1117275061. Note that the first 3 decimals are identical.

The spelling of 5631313005 in words is "five billion, six hundred thirty-one million, three hundred thirteen thousand, five".