1031103313203 has 16 divisors (see below), whose sum is σ = 1378131955200. Its totient is φ = 685739189280.

The previous prime is 1031103313187. The next prime is 1031103313211. The reversal of 1031103313203 is 3023133011301.

1031103313203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1031103313203 - 2⁴ = 1031103313187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031103313203.

It is not an unprimeable number, because it can be changed into a prime (1031103313223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5549868 + ... + 5732646.

It is an arithmetic number, because the mean of its divisors is an integer number (86133247200).

Almost surely, 2^{1031103313203} is an apocalyptic number.

1031103313203 is a deficient number, since it is larger than the sum of its proper divisors (347028641997).

1031103313203 is a wasteful number, since it uses less digits than its factorization.

1031103313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187322.

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

Adding to 1031103313203 its reverse (3023133011301), we get a palindrome (4054236324504).

The spelling of 1031103313203 in words is "one trillion, thirty-one billion, one hundred three million, three hundred thirteen thousand, two hundred three".