1003011010103 has 12 divisors (see below), whose sum is σ = 1011264343992. Its totient is φ = 994824497520.

The previous prime is 1003011010091. The next prime is 1003011010117. The reversal of 1003011010103 is 3010101103001.

It is a happy number.

It is not a de Polignac number, because 1003011010103 - 2²⁴ = 1002994232887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003011010163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74783468 + ... + 74796878.

It is an arithmetic number, because the mean of its divisors is an integer number (84272028666).

Almost surely, 2^{1003011010103} is an apocalyptic number.

1003011010103 is a deficient number, since it is larger than the sum of its proper divisors (8253333889).

1003011010103 is an equidigital number, since it uses as much as digits as its factorization.

1003011010103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18302 (or 18175 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 1003011010103 its reverse (3010101103001), we get a palindrome (4013112113104).

The spelling of 1003011010103 in words is "one trillion, three billion, eleven million, ten thousand, one hundred three".