13331220331011 has 32 divisors (see below), whose sum is σ = 19569594105600. Its totient is φ = 8005063697280.

The previous prime is 13331220331001. The next prime is 13331220331043. The reversal of 13331220331011 is 11013302213331.

It is not a de Polignac number, because 13331220331011 - 2⁹ = 13331220330499 is a prime.

It is a super-2 number, since 2×13331220331011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13331220331001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103770405 + ... + 103898793.

It is an arithmetic number, because the mean of its divisors is an integer number (611549815800).

Almost surely, 2^{13331220331011} is an apocalyptic number.

13331220331011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13331220331011 is a deficient number, since it is larger than the sum of its proper divisors (6238373774589).

13331220331011 is a wasteful number, since it uses less digits than its factorization.

13331220331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157379.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13331220331011 its reverse (11013302213331), we get a palindrome (24344522544342).

The spelling of 13331220331011 in words is "thirteen trillion, three hundred thirty-one billion, two hundred twenty million, three hundred thirty-one thousand, eleven".