13313331009 has 36 divisors (see below), whose sum is σ = 21708860628. Its totient is φ = 7850589120.

The previous prime is 13313330999. The next prime is 13313331019. The reversal of 13313331009 is 90013331331.

It is a happy number.

13313331009 is a `hidden beast` number, since 13 + 313 + 331 + 0 + 0 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (13313330999) and next prime (13313331019).

It can be written as a sum of positive squares in 2 ways, for example, as 11151360000 + 2161971009 = 105600^2 + 46497^2 .

It is not a de Polignac number, because 13313331009 - 2⁵ = 13313330977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13313331019) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 124914 + ... + 205499.

Almost surely, 2^13313331009 is an apocalyptic number.

It is an amenable number.

13313331009 is a deficient number, since it is larger than the sum of its proper divisors (8395529619).

13313331009 is a wasteful number, since it uses less digits than its factorization.

13313331009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330478 (or 330464 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 27.

The spelling of 13313331009 in words is "thirteen billion, three hundred thirteen million, three hundred thirty-one thousand, nine".