1101311003103 has 16 divisors (see below), whose sum is σ = 1471947541632. Its totient is φ = 732442004000.

The previous prime is 1101311003087. The next prime is 1101311003203. The reversal of 1101311003103 is 3013001131011.

It is a cyclic number.

It is not a de Polignac number, because 1101311003103 - 2⁴ = 1101311003087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101311003203) 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 15 ways as a sum of consecutive naturals, for example, 3901108 + ... + 4173878.

It is an arithmetic number, because the mean of its divisors is an integer number (91996721352).

Almost surely, 2^{1101311003103} is an apocalyptic number.

1101311003103 is a deficient number, since it is larger than the sum of its proper divisors (370636538529).

1101311003103 is a wasteful number, since it uses less digits than its factorization.

1101311003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276006.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 1101311003103 its reverse (3013001131011), we get a palindrome (4114312134114).

The spelling of 1101311003103 in words is "one trillion, one hundred one billion, three hundred eleven million, three thousand, one hundred three".