1003111231003 has 32 divisors (see below), whose sum is σ = 1175457521664. Its totient is φ = 838177431552.

The previous prime is 1003111230991. The next prime is 1003111231007. The reversal of 1003111231003 is 3001321113001.

It is a cyclic number.

It is not a de Polignac number, because 1003111231003 - 2³³ = 994521296411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003111231007) 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, 105886875 + ... + 105896347.

It is an arithmetic number, because the mean of its divisors is an integer number (36733047552).

Almost surely, 2^{1003111231003} is an apocalyptic number.

1003111231003 is a deficient number, since it is larger than the sum of its proper divisors (172346290661).

1003111231003 is an equidigital number, since it uses as much as digits as its factorization.

1003111231003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10771.

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

Adding to 1003111231003 its reverse (3001321113001), we get a palindrome (4004432344004).

The spelling of 1003111231003 in words is "one trillion, three billion, one hundred eleven million, two hundred thirty-one thousand, three".