1003231001103 has 32 divisors (see below), whose sum is σ = 1438700236800. Its totient is φ = 619837150176.

The previous prime is 1003231001063. The next prime is 1003231001119. The reversal of 1003231001103 is 3011001323001.

It is not a de Polignac number, because 1003231001103 - 2⁹ = 1003231000591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003231001203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5490468 + ... + 5670246.

It is an arithmetic number, because the mean of its divisors is an integer number (44959382400).

Almost surely, 2^{1003231001103} is an apocalyptic number.

1003231001103 is a deficient number, since it is larger than the sum of its proper divisors (435469235697).

1003231001103 is a wasteful number, since it uses less digits than its factorization.

1003231001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181931.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1003231001103 its reverse (3011001323001), we get a palindrome (4014232324104).

The spelling of 1003231001103 in words is "one trillion, three billion, two hundred thirty-one million, one thousand, one hundred three".