13113030231 has 24 divisors (see below), whose sum is σ = 21742291584. Its totient is φ = 7460142480.

The previous prime is 13113030209. The next prime is 13113030247. The reversal of 13113030231 is 13203031131.

It is a happy number.

13113030231 is a `hidden beast` number, since 131 + 1 + 303 + 0 + 231 = 666.

It is not a de Polignac number, because 13113030231 - 2⁵ = 13113030199 is a prime.

It is a super-2 number, since 2×13113030231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113030331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 444165 + ... + 472766.

It is an arithmetic number, because the mean of its divisors is an integer number (905928816).

Almost surely, 2^13113030231 is an apocalyptic number.

13113030231 is a deficient number, since it is larger than the sum of its proper divisors (8629261353).

13113030231 is a wasteful number, since it uses less digits than its factorization.

13113030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917171 (or 917168 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13113030231 its reverse (13203031131), we get a palindrome (26316061362).

The spelling of 13113030231 in words is "thirteen billion, one hundred thirteen million, thirty thousand, two hundred thirty-one".