13112231323203 has 24 divisors (see below), whose sum is σ = 19225991104320. Its totient is φ = 8610077116080.

The previous prime is 13112231323189. The next prime is 13112231323309. The reversal of 13112231323203 is 30232313221131.

13112231323203 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 22 + 313 + 2 + 320 + 3 = 666.

It is not a de Polignac number, because 13112231323203 - 2⁴ = 13112231323187 is a prime.

It is a super-2 number, since 2×13112231323203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13112231325203) 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, 26268133 + ... + 26762646.

It is an arithmetic number, because the mean of its divisors is an integer number (801082962680).

Almost surely, 2^{13112231323203} is an apocalyptic number.

13112231323203 is a deficient number, since it is larger than the sum of its proper divisors (6113759781117).

13112231323203 is a wasteful number, since it uses less digits than its factorization.

13112231323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53031199 (or 53031196 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13112231323203 its reverse (30232313221131), we get a palindrome (43344544544334).

The spelling of 13112231323203 in words is "thirteen trillion, one hundred twelve billion, two hundred thirty-one million, three hundred twenty-three thousand, two hundred three".