13203203311213 has 2 divisors, whose sum is σ = 13203203311214. Its totient is φ = 13203203311212.

The previous prime is 13203203311211. The next prime is 13203203311273. The reversal of 13203203311213 is 31211330230231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12785787821284 + 417415489929 = 3575722^2 + 646077^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203203311213 - 2¹ = 13203203311211 is a prime.

Together with 13203203311211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13203203311211) 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, 6601601655606 + 6601601655607.

It is an arithmetic number, because the mean of its divisors is an integer number (6601601655607).

Almost surely, 2^{13203203311213} is an apocalyptic number.

It is an amenable number.

13203203311213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203203311213 is an equidigital number, since it uses as much as digits as its factorization.

13203203311213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13203203311213 its reverse (31211330230231), we get a palindrome (44414533541444).

The spelling of 13203203311213 in words is "thirteen trillion, two hundred three billion, two hundred three million, three hundred eleven thousand, two hundred thirteen".