13313211323111 has 4 divisors (see below), whose sum is σ = 15215098654992. Its totient is φ = 11411323991232.

The previous prime is 13313211323081. The next prime is 13313211323119. The reversal of 13313211323111 is 11132311231331.

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 13313211323111 - 2⁶ = 13313211323047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313211323119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950943665930 + ... + 950943665943.

It is an arithmetic number, because the mean of its divisors is an integer number (3803774663748).

Almost surely, 2^{13313211323111} is an apocalyptic number.

13313211323111 is a deficient number, since it is larger than the sum of its proper divisors (1901887331881).

13313211323111 is an equidigital number, since it uses as much as digits as its factorization.

13313211323111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901887331880.

The product of its digits is 972, while the sum is 26.

Adding to 13313211323111 its reverse (11132311231331), we get a palindrome (24445522554442).

The spelling of 13313211323111 in words is "thirteen trillion, three hundred thirteen billion, two hundred eleven million, three hundred twenty-three thousand, one hundred eleven".