13112031203 has 8 divisors (see below), whose sum is σ = 13794073200. Its totient is φ = 12445316128.

The previous prime is 13112031187. The next prime is 13112031211. The reversal of 13112031203 is 30213021131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13112031203 - 2⁴ = 13112031187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112031223) 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 7 ways as a sum of consecutive naturals, for example, 3829976 + ... + 3833397.

It is an arithmetic number, because the mean of its divisors is an integer number (1724259150).

Almost surely, 2^13112031203 is an apocalyptic number.

13112031203 is a deficient number, since it is larger than the sum of its proper divisors (682041997).

13112031203 is an equidigital number, since it uses as much as digits as its factorization.

13112031203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663461.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13112031203 its reverse (30213021131), we get a palindrome (43325052334).

The spelling of 13112031203 in words is "thirteen billion, one hundred twelve million, thirty-one thousand, two hundred three".