11103020030311 has 4 divisors (see below), whose sum is σ = 12112385487624. Its totient is φ = 10093654573000.

The previous prime is 11103020030309. The next prime is 11103020030341. The reversal of 11103020030311 is 11303002030111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11103020030311 - 2¹ = 11103020030309 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 (11103020030341) 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, 504682728640 + ... + 504682728661.

It is an arithmetic number, because the mean of its divisors is an integer number (3028096371906).

Almost surely, 2^{11103020030311} is an apocalyptic number.

11103020030311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11103020030311 is a deficient number, since it is larger than the sum of its proper divisors (1009365457313).

11103020030311 is a wasteful number, since it uses less digits than its factorization.

11103020030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009365457312.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11103020030311 its reverse (11303002030111), we get a palindrome (22406022060422).

The spelling of 11103020030311 in words is "eleven trillion, one hundred three billion, twenty million, thirty thousand, three hundred eleven".