12031033031103 has 64 divisors (see below), whose sum is σ = 17565883084800. Its totient is φ = 7291637729280.

The previous prime is 12031033031089. The next prime is 12031033031141. The reversal of 12031033031103 is 30113033013021.

It is not a de Polignac number, because 12031033031103 - 2²⁰ = 12031031982527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12031033031103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031033031603) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3222884025 + ... + 3222887757.

It is an arithmetic number, because the mean of its divisors is an integer number (274466923200).

Almost surely, 2^{12031033031103} is an apocalyptic number.

12031033031103 is a deficient number, since it is larger than the sum of its proper divisors (5534850053697).

12031033031103 is a wasteful number, since it uses less digits than its factorization.

12031033031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 12031033031103 its reverse (30113033013021), we get a palindrome (42144066044124).

The spelling of 12031033031103 in words is "twelve trillion, thirty-one billion, thirty-three million, thirty-one thousand, one hundred three".