13110020331031 has 12 divisors (see below), whose sum is σ = 14298187454040. Its totient is φ = 12014495644320.

The previous prime is 13110020331017. The next prime is 13110020331043. The reversal of 13110020331031 is 13013302001131.

It is not a de Polignac number, because 13110020331031 - 2¹⁹ = 13110019806743 is a prime.

It is a super-2 number, since 2×13110020331031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110020331071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279019980 + ... + 279066961.

It is an arithmetic number, because the mean of its divisors is an integer number (1191515621170).

Almost surely, 2^{13110020331031} is an apocalyptic number.

13110020331031 is a deficient number, since it is larger than the sum of its proper divisors (1188167123009).

13110020331031 is a wasteful number, since it uses less digits than its factorization.

13110020331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558087106 (or 558087093 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13110020331031 its reverse (13013302001131), we get a palindrome (26123322332162).

The spelling of 13110020331031 in words is "thirteen trillion, one hundred ten billion, twenty million, three hundred thirty-one thousand, thirty-one".