13304135331 has 16 divisors (see below), whose sum is σ = 20747190400. Its totient is φ = 8402611464.

The previous prime is 13304135329. The next prime is 13304135353. The reversal of 13304135331 is 13353140331.

13304135331 is a `hidden beast` number, since 1 + 3 + 304 + 1 + 353 + 3 + 1 = 666.

It is not a de Polignac number, because 13304135331 - 2¹ = 13304135329 is a prime.

It is a super-2 number, since 2×13304135331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13304135295 and 13304135304.

It is not an unprimeable number, because it can be changed into a prime (13304135531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12966481 + ... + 12967506.

It is an arithmetic number, because the mean of its divisors is an integer number (1296699400).

Almost surely, 2^13304135331 is an apocalyptic number.

13304135331 is a deficient number, since it is larger than the sum of its proper divisors (7443055069).

13304135331 is a wasteful number, since it uses less digits than its factorization.

13304135331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25934015 (or 25934009 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

Adding to 13304135331 its reverse (13353140331), we get a palindrome (26657275662).

The spelling of 13304135331 in words is "thirteen billion, three hundred four million, one hundred thirty-five thousand, three hundred thirty-one".