11103031030 has 96 divisors (see below), whose sum is σ = 25267999680. Its totient is φ = 3481470720.

The previous prime is 11103031001. The next prime is 11103031033. The reversal of 11103031030 is 3013030111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11103031030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103031033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 686335 + ... + 702325.

It is an arithmetic number, because the mean of its divisors is an integer number (263208330).

Almost surely, 2^11103031030 is an apocalyptic number.

11103031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11103031030 is an abundant number, since it is smaller than the sum of its proper divisors (14164968650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11103031030 is a wasteful number, since it uses less digits than its factorization.

11103031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16134 (or 16127 counting only the distinct ones).

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

Adding to 11103031030 its reverse (3013030111), we get a palindrome (14116061141).

The spelling of 11103031030 in words is "eleven billion, one hundred three million, thirty-one thousand, thirty".