11031100320 has 48 divisors (see below), whose sum is σ = 34747967520. Its totient is φ = 2941626624.

The previous prime is 11031100319. The next prime is 11031100321. The reversal of 11031100320 is 2300113011.

It is an interprime number because it is at equal distance from previous prime (11031100319) and next prime (11031100321).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11031100296 and 11031100305.

It is not an unprimeable number, because it can be changed into a prime (11031100321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11490250 + ... + 11491209.

It is an arithmetic number, because the mean of its divisors is an integer number (723915990).

Almost surely, 2^11031100320 is an apocalyptic number.

11031100320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11031100320 is an abundant number, since it is smaller than the sum of its proper divisors (23716867200).

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

11031100320 is a wasteful number, since it uses less digits than its factorization.

11031100320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22981477 (or 22981469 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11031100320 its reverse (2300113011), we get a palindrome (13331213331).

The spelling of 11031100320 in words is "eleven billion, thirty-one million, one hundred thousand, three hundred twenty".