13226862231 has 72 divisors (see below), whose sum is σ = 21644866880. Its totient is φ = 7771800960.

The previous prime is 13226862203. The next prime is 13226862239.

13226862231 is a `hidden beast` number, since 1 + 3 + 2 + 26 + 8 + 622 + 3 + 1 = 666.

13226862231 is nontrivially palindromic in base 10.

13226862231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13226862231 - 2¹⁵ = 13226829463 is a prime.

It is a super-2 number, since 2×13226862231² (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 (13226862239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18655305 + ... + 18656013.

Almost surely, 2^13226862231 is an apocalyptic number.

13226862231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13226862231 is a deficient number, since it is larger than the sum of its proper divisors (8418004649).

13226862231 is a wasteful number, since it uses less digits than its factorization.

13226862231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1223 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 13226862231 in words is "thirteen billion, two hundred twenty-six million, eight hundred sixty-two thousand, two hundred thirty-one".