13133124321 has 16 divisors (see below), whose sum is σ = 17664998400. Its totient is φ = 8678627408.

The previous prime is 13133124317. The next prime is 13133124331. The reversal of 13133124321 is 12342133131.

13133124321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13133124321 - 2² = 13133124317 is a prime.

It is a super-2 number, since 2×13133124321² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13133124291 and 13133124300.

It is not an unprimeable number, because it can be changed into a prime (13133124331) 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 15 ways as a sum of consecutive naturals, for example, 143350 + ... + 216368.

It is an arithmetic number, because the mean of its divisors is an integer number (1104062400).

Almost surely, 2^13133124321 is an apocalyptic number.

It is an amenable number.

13133124321 is a deficient number, since it is larger than the sum of its proper divisors (4531874079).

13133124321 is a wasteful number, since it uses less digits than its factorization.

13133124321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73548.

The product of its digits is 1296, while the sum is 24.

Adding to 13133124321 its reverse (12342133131), we get a palindrome (25475257452).

The spelling of 13133124321 in words is "thirteen billion, one hundred thirty-three million, one hundred twenty-four thousand, three hundred twenty-one".