11213103403 has 16 divisors (see below), whose sum is σ = 12192547840. Its totient is φ = 10273068000.

The previous prime is 11213103367. The next prime is 11213103427. The reversal of 11213103403 is 30430131211.

It is a cyclic number.

It is not a de Polignac number, because 11213103403 - 2¹³ = 11213095211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213103493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952453 + ... + 964153.

It is an arithmetic number, because the mean of its divisors is an integer number (762034240).

Almost surely, 2^11213103403 is an apocalyptic number.

11213103403 is a deficient number, since it is larger than the sum of its proper divisors (979444437).

11213103403 is a wasteful number, since it uses less digits than its factorization.

11213103403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13378.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11213103403 its reverse (30430131211), we get a palindrome (41643234614).

The spelling of 11213103403 in words is "eleven billion, two hundred thirteen million, one hundred three thousand, four hundred three".