13311022211131 has 4 divisors (see below), whose sum is σ = 13529235690064. Its totient is φ = 13092808732200.

The previous prime is 13311022211101. The next prime is 13311022211171. The reversal of 13311022211131 is 13111222011331.

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 13311022211131 - 2³⁵ = 13276662472763 is a prime.

It is a super-2 number, since 2×13311022211131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311022211101) 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, 109106739375 + ... + 109106739496.

It is an arithmetic number, because the mean of its divisors is an integer number (3382308922516).

Almost surely, 2^{13311022211131} is an apocalyptic number.

13311022211131 is a deficient number, since it is larger than the sum of its proper divisors (218213478933).

13311022211131 is an equidigital number, since it uses as much as digits as its factorization.

13311022211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218213478932.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13311022211131 its reverse (13111222011331), we get a palindrome (26422244222462).

The spelling of 13311022211131 in words is "thirteen trillion, three hundred eleven billion, twenty-two million, two hundred eleven thousand, one hundred thirty-one".