10313360021 has 2 divisors, whose sum is σ = 10313360022. Its totient is φ = 10313360020.

The previous prime is 10313359937. The next prime is 10313360041. The reversal of 10313360021 is 12006331301.

It is a happy number.

10313360021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10313360041) can be obtained adding 10313360021 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9098488996 + 1214871025 = 95386^2 + 34855^2 .

It is a cyclic number.

It is not a de Polignac number, because 10313360021 - 2¹⁸ = 10313097877 is a prime.

It is a super-2 number, since 2×10313360021² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10313359975 and 10313360002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10313360041) 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, 5156680010 + 5156680011.

It is an arithmetic number, because the mean of its divisors is an integer number (5156680011).

Almost surely, 2^10313360021 is an apocalyptic number.

It is an amenable number.

10313360021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10313360021 is an equidigital number, since it uses as much as digits as its factorization.

10313360021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10313360021 its reverse (12006331301), we get a palindrome (22319691322).

The spelling of 10313360021 in words is "ten billion, three hundred thirteen million, three hundred sixty thousand, twenty-one".