13311113322031 has 6 divisors (see below), whose sum is σ = 15484356313440. Its totient is φ = 11409525704556.

The previous prime is 13311113321923. The next prime is 13311113322037. The reversal of 13311113322031 is 13022331111331.

It is not a de Polignac number, because 13311113322031 - 2¹⁵ = 13311113289263 is a prime.

It is a super-2 number, since 2×13311113322031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13311113321987 and 13311113322005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311113322037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135827686911 + ... + 135827687008.

It is an arithmetic number, because the mean of its divisors is an integer number (2580726052240).

Almost surely, 2^{13311113322031} is an apocalyptic number.

13311113322031 is a deficient number, since it is larger than the sum of its proper divisors (2173242991409).

13311113322031 is an equidigital number, since it uses as much as digits as its factorization.

13311113322031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271655373933 (or 271655373926 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13311113322031 its reverse (13022331111331), we get a palindrome (26333444433362).

The spelling of 13311113322031 in words is "thirteen trillion, three hundred eleven billion, one hundred thirteen million, three hundred twenty-two thousand, thirty-one".