7021316213 has 2 divisors, whose sum is σ = 7021316214. Its totient is φ = 7021316212.

The previous prime is 7021316207. The next prime is 7021316227. The reversal of 7021316213 is 3126131207.

7021316213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6952724689 + 68591524 = 83383^2 + 8282^2 .

It is a cyclic number.

It is not a de Polignac number, because 7021316213 - 2⁸ = 7021315957 is a prime.

It is a super-2 number, since 2×7021316213² = 98597762725873322738, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7021316293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510658106 + 3510658107.

It is an arithmetic number, because the mean of its divisors is an integer number (3510658107).

Almost surely, 2^7021316213 is an apocalyptic number.

It is an amenable number.

7021316213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7021316213 is an equidigital number, since it uses as much as digits as its factorization.

7021316213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 7021316213 is about 83793.2945586937. The cubic root of 7021316213 is about 1914.8709507713.

The spelling of 7021316213 in words is "seven billion, twenty-one million, three hundred sixteen thousand, two hundred thirteen".