13133310021 has 24 divisors (see below), whose sum is σ = 20450810016. Its totient is φ = 8073643680.

The previous prime is 13133309993. The next prime is 13133310031. The reversal of 13133310021 is 12001333131.

It is a happy number.

13133310021 is a `hidden beast` number, since 1 + 313 + 331 + 0 + 0 + 21 = 666.

It is not a de Polignac number, because 13133310021 - 2¹⁰ = 13133308997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13133309976 and 13133310003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133310031) 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, 55806 + ... + 171408.

It is an arithmetic number, because the mean of its divisors is an integer number (852117084).

Almost surely, 2^13133310021 is an apocalyptic number.

It is an amenable number.

13133310021 is a deficient number, since it is larger than the sum of its proper divisors (7317499995).

13133310021 is a wasteful number, since it uses less digits than its factorization.

13133310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116593 (or 116590 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13133310021 its reverse (12001333131), we get a palindrome (25134643152).

The spelling of 13133310021 in words is "thirteen billion, one hundred thirty-three million, three hundred ten thousand, twenty-one".