5631000101 has 4 divisors (see below), whose sum is σ = 5631165132. Its totient is φ = 5630835072.

The previous prime is 5631000077. The next prime is 5631000121. The reversal of 5631000101 is 1010001365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2310244225 + 3320755876 = 48065^2 + 57626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5631000101 is a prime.

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 5631000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631000121) 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, 10220 + ... + 106613.

It is an arithmetic number, because the mean of its divisors is an integer number (1407791283).

Almost surely, 2^5631000101 is an apocalyptic number.

It is an amenable number.

5631000101 is a deficient number, since it is larger than the sum of its proper divisors (165031).

5631000101 is a wasteful number, since it uses less digits than its factorization.

5631000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165030.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 5631000101 is about 75039.9900119929. The cubic root of 5631000101 is about 1779.0787747716.

Adding to 5631000101 its reverse (1010001365), we get a palindrome (6641001466).

The spelling of 5631000101 in words is "five billion, six hundred thirty-one million, one hundred one", and thus it is an aban number.