13313100021 has 16 divisors (see below), whose sum is σ = 19385493120. Its totient is φ = 8077285440.

The previous prime is 13313100019. The next prime is 13313100067. The reversal of 13313100021 is 12000131331.

13313100021 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 13313100021 - 2¹ = 13313100019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313100091) 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, 2401186 + ... + 2406723.

It is an arithmetic number, because the mean of its divisors is an integer number (1211593320).

Almost surely, 2^13313100021 is an apocalyptic number.

It is an amenable number.

13313100021 is a deficient number, since it is larger than the sum of its proper divisors (6072393099).

13313100021 is a wasteful number, since it uses less digits than its factorization.

13313100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807996.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13313100021 its reverse (12000131331), we get a palindrome (25313231352).

The spelling of 13313100021 in words is "thirteen billion, three hundred thirteen million, one hundred thousand, twenty-one".