11013131032103 has 4 divisors (see below), whose sum is σ = 11013141667200. Its totient is φ = 11013120397008.

The previous prime is 11013131032097. The next prime is 11013131032139. The reversal of 11013131032103 is 30123013131011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11013131032103 - 2⁶ = 11013131032039 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 (11013131032193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3573575 + ... + 5898872.

It is an arithmetic number, because the mean of its divisors is an integer number (2753285416800).

Almost surely, 2^{11013131032103} is an apocalyptic number.

11013131032103 is a deficient number, since it is larger than the sum of its proper divisors (10635097).

11013131032103 is an equidigital number, since it uses as much as digits as its factorization.

11013131032103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10635096.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11013131032103 its reverse (30123013131011), we get a palindrome (41136144163114).

The spelling of 11013131032103 in words is "eleven trillion, thirteen billion, one hundred thirty-one million, thirty-two thousand, one hundred three".