213323240021303 has 2 divisors, whose sum is σ = 213323240021304. Its totient is φ = 213323240021302.

The previous prime is 213323240021293. The next prime is 213323240021321. The reversal of 213323240021303 is 303120042323312.

It is a happy number.

213323240021303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213323240021303 - 2³⁰ = 213322166279479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213323240221303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106661620010651 + 106661620010652.

It is an arithmetic number, because the mean of its divisors is an integer number (106661620010652).

Almost surely, 2^{213323240021303} is an apocalyptic number.

213323240021303 is a deficient number, since it is larger than the sum of its proper divisors (1).

213323240021303 is an equidigital number, since it uses as much as digits as its factorization.

213323240021303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 213323240021303 its reverse (303120042323312), we get a palindrome (516443282344615).

The spelling of 213323240021303 in words is "two hundred thirteen trillion, three hundred twenty-three billion, two hundred forty million, twenty-one thousand, three hundred three".