13352313231 has 12 divisors (see below), whose sum is σ = 19295050320. Its totient is φ = 8897676480.

The previous prime is 13352313223. The next prime is 13352313253. The reversal of 13352313231 is 13231325331.

13352313231 is a `hidden beast` number, since 1 + 3 + 3 + 523 + 132 + 3 + 1 = 666.

It is not a de Polignac number, because 13352313231 - 2³ = 13352313223 is a prime.

It is a super-2 number, since 2×13352313231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13352313195 and 13352313204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13352313131) 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, 300186 + ... + 341783.

It is an arithmetic number, because the mean of its divisors is an integer number (1607920860).

Almost surely, 2^13352313231 is an apocalyptic number.

13352313231 is a deficient number, since it is larger than the sum of its proper divisors (5942737089).

13352313231 is a wasteful number, since it uses less digits than its factorization.

13352313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644286 (or 644283 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

Adding to 13352313231 its reverse (13231325331), we get a palindrome (26583638562).

The spelling of 13352313231 in words is "thirteen billion, three hundred fifty-two million, three hundred thirteen thousand, two hundred thirty-one".