13388312133 has 24 divisors (see below), whose sum is σ = 23264571200. Its totient is φ = 7247807424.

The previous prime is 13388312129. The next prime is 13388312143. The reversal of 13388312133 is 33121388331.

13388312133 is a `hidden beast` number, since 1 + 338 + 8 + 312 + 1 + 3 + 3 = 666.

It is not a de Polignac number, because 13388312133 - 2² = 13388312129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13388312143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5591248 + ... + 5593641.

Almost surely, 2^13388312133 is an apocalyptic number.

It is an amenable number.

13388312133 is a deficient number, since it is larger than the sum of its proper divisors (9876259067).

13388312133 is a wasteful number, since it uses less digits than its factorization.

13388312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184921 (or 11184918 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

It can be divided in two parts, 1338831 and 2133, that added together give a square (1340964 = 1158²).

The spelling of 13388312133 in words is "thirteen billion, three hundred eighty-eight million, three hundred twelve thousand, one hundred thirty-three".