13215631327 has 4 divisors (see below), whose sum is σ = 13227400600. Its totient is φ = 13203862056.

The previous prime is 13215631301. The next prime is 13215631333. The reversal of 13215631327 is 72313651231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13215631327 - 2¹¹ = 13215629279 is a prime.

It is a super-2 number, since 2×13215631327² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13215631292 and 13215631301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215631337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5882952 + ... + 5885197.

It is an arithmetic number, because the mean of its divisors is an integer number (3306850150).

Almost surely, 2^13215631327 is an apocalyptic number.

13215631327 is a deficient number, since it is larger than the sum of its proper divisors (11769273).

13215631327 is a wasteful number, since it uses less digits than its factorization.

13215631327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11769272.

The product of its digits is 22680, while the sum is 34.

The spelling of 13215631327 in words is "thirteen billion, two hundred fifteen million, six hundred thirty-one thousand, three hundred twenty-seven".