11314031220 has 72 divisors (see below), whose sum is σ = 34589528064. Its totient is φ = 2993312448.

The previous prime is 11314031191. The next prime is 11314031227. The reversal of 11314031220 is 2213041311.

11314031220 is a `hidden beast` number, since 11 + 31 + 403 + 1 + 220 = 666.

11314031220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11314031193 and 11314031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11314031227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224604 + ... + 270323.

It is an arithmetic number, because the mean of its divisors is an integer number (480410112).

Almost surely, 2^11314031220 is an apocalyptic number.

11314031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11314031220 is an abundant number, since it is smaller than the sum of its proper divisors (23275496844).

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

11314031220 is a wasteful number, since it uses less digits than its factorization.

11314031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495069 (or 495064 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11314031220 its reverse (2213041311), we get a palindrome (13527072531).

The spelling of 11314031220 in words is "eleven billion, three hundred fourteen million, thirty-one thousand, two hundred twenty".