103111311003 has 16 divisors (see below), whose sum is σ = 137694569760. Its totient is φ = 68634519296.

The previous prime is 103111310999. The next prime is 103111311019. The reversal of 103111311003 is 300113111301.

It is a cyclic number.

It is not a de Polignac number, because 103111311003 - 2² = 103111310999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103111311053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13288801 + ... + 13296557.

It is an arithmetic number, because the mean of its divisors is an integer number (8605910610).

Almost surely, 2^103111311003 is an apocalyptic number.

103111311003 is a deficient number, since it is larger than the sum of its proper divisors (34583258757).

103111311003 is an equidigital number, since it uses as much as digits as its factorization.

103111311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14046.

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

Adding to 103111311003 its reverse (300113111301), we get a palindrome (403224422304).

The spelling of 103111311003 in words is "one hundred three billion, one hundred eleven million, three hundred eleven thousand, three".