12031103113 has 8 divisors (see below), whose sum is σ = 12364600968. Its totient is φ = 11698043904.

The previous prime is 12031103111. The next prime is 12031103129. The reversal of 12031103113 is 31130113021.

It can be written as a sum of positive squares in 4 ways, for example, as 3406823424 + 8624279689 = 58368^2 + 92867^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12031103113 - 2¹ = 12031103111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031103111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53656 + ... + 164137.

It is an arithmetic number, because the mean of its divisors is an integer number (1545575121).

Almost surely, 2^12031103113 is an apocalyptic number.

It is an amenable number.

12031103113 is a deficient number, since it is larger than the sum of its proper divisors (333497855).

12031103113 is a wasteful number, since it uses less digits than its factorization.

12031103113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219323.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12031103113 its reverse (31130113021), we get a palindrome (43161216134).

The spelling of 12031103113 in words is "twelve billion, thirty-one million, one hundred three thousand, one hundred thirteen".