13315521203 has 2 divisors, whose sum is σ = 13315521204. Its totient is φ = 13315521202.

The previous prime is 13315521199. The next prime is 13315521217. The reversal of 13315521203 is 30212551331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13315521203 - 2² = 13315521199 is a prime.

It is not a weakly prime, because it can be changed into another prime (13315521293) 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, 6657760601 + 6657760602.

It is an arithmetic number, because the mean of its divisors is an integer number (6657760602).

Almost surely, 2^13315521203 is an apocalyptic number.

13315521203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13315521203 is an equidigital number, since it uses as much as digits as its factorization.

13315521203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 13315521203 in words is "thirteen billion, three hundred fifteen million, five hundred twenty-one thousand, two hundred three".