13331301021 has 48 divisors (see below), whose sum is σ = 20179670784. Its totient is φ = 8472978432.

The previous prime is 13331301019. The next prime is 13331301047. The reversal of 13331301021 is 12010313331.

It is a happy number.

13331301021 is a `hidden beast` number, since 13 + 331 + 301 + 0 + 21 = 666.

13331301021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13331301021 - 2¹ = 13331301019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13331300985 and 13331301003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331301091) 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 47 ways as a sum of consecutive naturals, for example, 3325000 + ... + 3329006.

It is an arithmetic number, because the mean of its divisors is an integer number (420409808).

Almost surely, 2^13331301021 is an apocalyptic number.

It is an amenable number.

13331301021 is a deficient number, since it is larger than the sum of its proper divisors (6848369763).

13331301021 is a wasteful number, since it uses less digits than its factorization.

13331301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250 (or 4247 counting only the distinct ones).

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

Adding to 13331301021 its reverse (12010313331), we get a palindrome (25341614352).

The spelling of 13331301021 in words is "thirteen billion, three hundred thirty-one million, three hundred one thousand, twenty-one".