13310021111131 has 4 divisors (see below), whose sum is σ = 13310064603000. Its totient is φ = 13309977619264.

The previous prime is 13310021111113. The next prime is 13310021111161. The reversal of 13310021111131 is 13111112001331.

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

It is a cyclic number.

It is not a de Polignac number, because 13310021111131 - 2¹¹ = 13310021109083 is a prime.

It is a super-2 number, since 2×13310021111131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13310021111099 and 13310021111108.

It is not an unprimeable number, because it can be changed into a prime (13310021111161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21283606 + ... + 21900043.

It is an arithmetic number, because the mean of its divisors is an integer number (3327516150750).

Almost surely, 2^{13310021111131} is an apocalyptic number.

13310021111131 is a deficient number, since it is larger than the sum of its proper divisors (43491869).

13310021111131 is an equidigital number, since it uses as much as digits as its factorization.

13310021111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43491868.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 13310021111131 its reverse (13111112001331), we get a palindrome (26421133112462).

The spelling of 13310021111131 in words is "thirteen trillion, three hundred ten billion, twenty-one million, one hundred eleven thousand, one hundred thirty-one".