13223113131011 has 4 divisors (see below), whose sum is σ = 15112129292592. Its totient is φ = 11334096969432.

The previous prime is 13223113130989. The next prime is 13223113131047. The reversal of 13223113131011 is 11013131132231.

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 13223113131011 - 2³⁴ = 13205933261827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223113131211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944508080780 + ... + 944508080793.

It is an arithmetic number, because the mean of its divisors is an integer number (3778032323148).

Almost surely, 2^{13223113131011} is an apocalyptic number.

13223113131011 is a deficient number, since it is larger than the sum of its proper divisors (1889016161581).

13223113131011 is an equidigital number, since it uses as much as digits as its factorization.

13223113131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889016161580.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 13223113131011 its reverse (11013131132231), we get a palindrome (24236244263242).

The spelling of 13223113131011 in words is "thirteen trillion, two hundred twenty-three billion, one hundred thirteen million, one hundred thirty-one thousand, eleven".