11003031103 has 8 divisors (see below), whose sum is σ = 11329475040. Its totient is φ = 10678116960.

The previous prime is 11003031079. The next prime is 11003031121. The reversal of 11003031103 is 30113030011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11003031103 - 2²⁵ = 10969476671 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 (11003037103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367843 + ... + 396628.

It is an arithmetic number, because the mean of its divisors is an integer number (1416184380).

Almost surely, 2^11003031103 is an apocalyptic number.

11003031103 is a deficient number, since it is larger than the sum of its proper divisors (326443937).

11003031103 is an equidigital number, since it uses as much as digits as its factorization.

11003031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764897.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 11003031103 its reverse (30113030011), we get a palindrome (41116061114).

The spelling of 11003031103 in words is "eleven billion, three million, thirty-one thousand, one hundred three".