5731210913 has 2 divisors, whose sum is σ = 5731210914. Its totient is φ = 5731210912.

The previous prime is 5731210813. The next prime is 5731210921. The reversal of 5731210913 is 3190121375.

5731210913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5382716689 + 348494224 = 73367^2 + 18668^2 .

It is a cyclic number.

It is not a de Polignac number, because 5731210913 - 2¹⁰ = 5731209889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5731210913.

It is not a weakly prime, because it can be changed into another prime (5731210943) 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 as a sum of consecutive naturals, namely, 2865605456 + 2865605457.

It is an arithmetic number, because the mean of its divisors is an integer number (2865605457).

Almost surely, 2^5731210913 is an apocalyptic number.

It is an amenable number.

5731210913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5731210913 is an equidigital number, since it uses as much as digits as its factorization.

5731210913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 5731210913 is about 75704.7614949020. The cubic root of 5731210913 is about 1789.5704381041.

The spelling of 5731210913 in words is "five billion, seven hundred thirty-one million, two hundred ten thousand, nine hundred thirteen".