13331323013 has 4 divisors (see below), whose sum is σ = 13386639948. Its totient is φ = 13276006080.

The previous prime is 13331323009. The next prime is 13331323021. The reversal of 13331323013 is 31032313331.

13331323013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10645699684 + 2685623329 = 103178^2 + 51823^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331323013 - 2² = 13331323009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13331323013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331323003) 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 3 ways as a sum of consecutive naturals, for example, 27658106 + ... + 27658587.

It is an arithmetic number, because the mean of its divisors is an integer number (3346659987).

Almost surely, 2^13331323013 is an apocalyptic number.

It is an amenable number.

13331323013 is a deficient number, since it is larger than the sum of its proper divisors (55316935).

13331323013 is an equidigital number, since it uses as much as digits as its factorization.

13331323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55316934.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13331323013 its reverse (31032313331), we get a palindrome (44363636344).

The spelling of 13331323013 in words is "thirteen billion, three hundred thirty-one million, three hundred twenty-three thousand, thirteen".