13133323121 has 8 divisors (see below), whose sum is σ = 13233763200. Its totient is φ = 13032968400.

The previous prime is 13133323079. The next prime is 13133323141. The reversal of 13133323121 is 12132333131.

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

It is a cyclic number.

It is not a de Polignac number, because 13133323121 - 2⁶ = 13133323057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13133323141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306695 + ... + 346883.

It is an arithmetic number, because the mean of its divisors is an integer number (1654220400).

Almost surely, 2^13133323121 is an apocalyptic number.

It is an amenable number.

13133323121 is a deficient number, since it is larger than the sum of its proper divisors (100440079).

13133323121 is a wasteful number, since it uses less digits than its factorization.

13133323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42679.

The product of its digits is 972, while the sum is 23.

Adding to 13133323121 its reverse (12132333131), we get a palindrome (25265656252).

The spelling of 13133323121 in words is "thirteen billion, one hundred thirty-three million, three hundred twenty-three thousand, one hundred twenty-one".