13311013 has 4 divisors (see below), whose sum is σ = 13344940. Its totient is φ = 13277088.

The previous prime is 13311007. The next prime is 13311031. The reversal of 13311013 is 31011331.

It is a happy number.

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 8567329 + 4743684 = 2927^2 + 2178^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311013 - 2¹⁷ = 13179941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13310984 and 13311002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16368 + ... + 17161.

It is an arithmetic number, because the mean of its divisors is an integer number (3336235).

Almost surely, 2^13311013 is an apocalyptic number.

It is an amenable number.

13311013 is a deficient number, since it is larger than the sum of its proper divisors (33927).

13311013 is an equidigital number, since it uses as much as digits as its factorization.

13311013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33926.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 13311013 is about 3648.4260990186. The cubic root of 13311013 is about 236.9938279888.

Adding to 13311013 its reverse (31011331), we get a palindrome (44322344).

The spelling of 13311013 in words is "thirteen million, three hundred eleven thousand, thirteen".