12355031103 has 8 divisors (see below), whose sum is σ = 16509423408. Its totient is φ = 8218663104.

The previous prime is 12355031023. The next prime is 12355031123. The reversal of 12355031103 is 30113055321.

12355031103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12355031103 - 2³² = 8060063807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355031123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4504476 + ... + 4507217.

It is an arithmetic number, because the mean of its divisors is an integer number (2063677926).

Almost surely, 2^12355031103 is an apocalyptic number.

12355031103 is a deficient number, since it is larger than the sum of its proper divisors (4154392305).

12355031103 is an equidigital number, since it uses as much as digits as its factorization.

12355031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012153.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 12355031103 its reverse (30113055321), we get a palindrome (42468086424).

The spelling of 12355031103 in words is "twelve billion, three hundred fifty-five million, thirty-one thousand, one hundred three".