13011323312 has 40 divisors (see below), whose sum is σ = 27173719104. Its totient is φ = 5999675904.

The previous prime is 13011323293. The next prime is 13011323357. The reversal of 13011323312 is 21332311031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201068 + ... + 257780.

Almost surely, 2^13011323312 is an apocalyptic number.

It is an amenable number.

13011323312 is an abundant number, since it is smaller than the sum of its proper divisors (14162395792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13011323312 is a wasteful number, since it uses less digits than its factorization.

13011323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57837 (or 57831 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13011323312 its reverse (21332311031), we get a palindrome (34343634343).

The spelling of 13011323312 in words is "thirteen billion, eleven million, three hundred twenty-three thousand, three hundred twelve".