10313210221 has 2 divisors, whose sum is σ = 10313210222. Its totient is φ = 10313210220.

The previous prime is 10313210197. The next prime is 10313210267. The reversal of 10313210221 is 12201231301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6160052196 + 4153158025 = 78486^2 + 64445^2 .

It is a cyclic number.

It is not a de Polignac number, because 10313210221 - 2¹¹ = 10313208173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10313210195 and 10313210204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10313210291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156605110 + 5156605111.

It is an arithmetic number, because the mean of its divisors is an integer number (5156605111).

Almost surely, 2^10313210221 is an apocalyptic number.

It is an amenable number.

10313210221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10313210221 is an equidigital number, since it uses as much as digits as its factorization.

10313210221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10313210221 its reverse (12201231301), we get a palindrome (22514441522).

The spelling of 10313210221 in words is "ten billion, three hundred thirteen million, two hundred ten thousand, two hundred twenty-one".