13531211327 has 2 divisors, whose sum is σ = 13531211328. Its totient is φ = 13531211326.

The previous prime is 13531211293. The next prime is 13531211339. The reversal of 13531211327 is 72311213531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13531211327 - 2³⁰ = 12457469503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13531211327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531211347) 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, 6765605663 + 6765605664.

It is an arithmetic number, because the mean of its divisors is an integer number (6765605664).

Almost surely, 2^13531211327 is an apocalyptic number.

13531211327 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531211327 is an equidigital number, since it uses as much as digits as its factorization.

13531211327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

Adding to 13531211327 its reverse (72311213531), we get a palindrome (85842424858).

The spelling of 13531211327 in words is "thirteen billion, five hundred thirty-one million, two hundred eleven thousand, three hundred twenty-seven".