21313102301 has 2 divisors, whose sum is σ = 21313102302. Its totient is φ = 21313102300.

The previous prime is 21313102243. The next prime is 21313102303. The reversal of 21313102301 is 10320131312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21313080100 + 22201 = 145990^2 + 149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21313102301 is a prime.

Together with 21313102303, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21313102301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21313102303) 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, 10656551150 + 10656551151.

It is an arithmetic number, because the mean of its divisors is an integer number (10656551151).

Almost surely, 2^21313102301 is an apocalyptic number.

It is an amenable number.

21313102301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21313102301 is an equidigital number, since it uses as much as digits as its factorization.

21313102301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21313102301 its reverse (10320131312), we get a palindrome (31633233613).

The spelling of 21313102301 in words is "twenty-one billion, three hundred thirteen million, one hundred two thousand, three hundred one".