11031111030 has 64 divisors (see below), whose sum is σ = 27408595968. Its totient is φ = 2839576320.

The previous prime is 11031110969. The next prime is 11031111037. The reversal of 11031111030 is 3011113011.

It is a junction number, because it is equal to n+sod(n) for n = 11031110997 and 11031111015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031111037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49345 + ... + 156515.

It is an arithmetic number, because the mean of its divisors is an integer number (428259312).

Almost surely, 2^11031111030 is an apocalyptic number.

11031111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031111030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13704297984).

11031111030 is an abundant number, since it is smaller than the sum of its proper divisors (16377484938).

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

11031111030 is a wasteful number, since it uses less digits than its factorization.

11031111030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107301.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11031111030 its reverse (3011113011), we get a palindrome (14042224041).

The spelling of 11031111030 in words is "eleven billion, thirty-one million, one hundred eleven thousand, thirty".