13312641231 has 24 divisors (see below), whose sum is σ = 20373185664. Its totient is φ = 8347829760.

The previous prime is 13312641211. The next prime is 13312641239. The reversal of 13312641231 is 13214621331.

It is a happy number.

13312641231 is a `hidden beast` number, since 1 + 3 + 3 + 12 + 641 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 13312641231 - 2⁷ = 13312641103 is a prime.

It is a super-2 number, since 2×13312641231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13312641195 and 13312641204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312641239) 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, 227266 + ... + 279776.

It is an arithmetic number, because the mean of its divisors is an integer number (848882736).

Almost surely, 2^13312641231 is an apocalyptic number.

13312641231 is a deficient number, since it is larger than the sum of its proper divisors (7060544433).

13312641231 is a wasteful number, since it uses less digits than its factorization.

13312641231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54191 (or 54188 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The spelling of 13312641231 in words is "thirteen billion, three hundred twelve million, six hundred forty-one thousand, two hundred thirty-one".