13218101387 has 2 divisors, whose sum is σ = 13218101388. Its totient is φ = 13218101386.

The previous prime is 13218101333. The next prime is 13218101527. The reversal of 13218101387 is 78310181231.

It is a happy number.

13218101387 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 an emirp because it is prime and its reverse (78310181231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13218101387 is a prime.

It is a super-2 number, since 2×13218101387² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13218101327) 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, 6609050693 + 6609050694.

It is an arithmetic number, because the mean of its divisors is an integer number (6609050694).

Almost surely, 2^13218101387 is an apocalyptic number.

13218101387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13218101387 is an equidigital number, since it uses as much as digits as its factorization.

13218101387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 13218101387 in words is "thirteen billion, two hundred eighteen million, one hundred one thousand, three hundred eighty-seven".