13133520321 has 8 divisors (see below), whose sum is σ = 17555031264. Its totient is φ = 8733844800.

The previous prime is 13133520287. The next prime is 13133520331. The reversal of 13133520321 is 12302533131.

13133520321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13133520321 - 2²² = 13129326017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13133520291 and 13133520300.

It is not an unprimeable number, because it can be changed into a prime (13133520331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5457451 + ... + 5459856.

It is an arithmetic number, because the mean of its divisors is an integer number (2194378908).

Almost surely, 2^13133520321 is an apocalyptic number.

It is an amenable number.

13133520321 is a deficient number, since it is larger than the sum of its proper divisors (4421510943).

13133520321 is a wasteful number, since it uses less digits than its factorization.

13133520321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10917711.

The product of its (nonzero) digits is 1620, while the sum is 24.

The spelling of 13133520321 in words is "thirteen billion, one hundred thirty-three million, five hundred twenty thousand, three hundred twenty-one".