13331122231 has 24 divisors (see below), whose sum is σ = 16115587200. Its totient is φ = 10983672000.

The previous prime is 13331122183. The next prime is 13331122283. The reversal of 13331122231 is 13222113331.

It is not a de Polignac number, because 13331122231 - 2¹⁷ = 13330991159 is a prime.

It is a super-2 number, since 2×13331122231² (a number of 21 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 (13331122531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196881 + ... + 255781.

It is an arithmetic number, because the mean of its divisors is an integer number (671482800).

Almost surely, 2^13331122231 is an apocalyptic number.

13331122231 is a deficient number, since it is larger than the sum of its proper divisors (2784464969).

13331122231 is a wasteful number, since it uses less digits than its factorization.

13331122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59095 (or 59088 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 13331122231 its reverse (13222113331), we get a palindrome (26553235562).

The spelling of 13331122231 in words is "thirteen billion, three hundred thirty-one million, one hundred twenty-two thousand, two hundred thirty-one".