13128311219 has 2 divisors, whose sum is σ = 13128311220. Its totient is φ = 13128311218.

The previous prime is 13128311201. The next prime is 13128311293. The reversal of 13128311219 is 91211382131.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (91211382131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13128311219 - 2¹² = 13128307123 is a prime.

It is a super-2 number, since 2×13128311219² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13128310219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6564155609 + 6564155610.

It is an arithmetic number, because the mean of its divisors is an integer number (6564155610).

Almost surely, 2^13128311219 is an apocalyptic number.

13128311219 is a deficient number, since it is larger than the sum of its proper divisors (1).

13128311219 is an equidigital number, since it uses as much as digits as its factorization.

13128311219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 32.

The spelling of 13128311219 in words is "thirteen billion, one hundred twenty-eight million, three hundred eleven thousand, two hundred nineteen".