11311100 has 18 divisors (see below), whose sum is σ = 24545304. Its totient is φ = 4524400.

The previous prime is 11311087. The next prime is 11311109. The reversal of 11311100 is 111311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56456 + ... + 56655.

It is an arithmetic number, because the mean of its divisors is an integer number (1363628).

Almost surely, 2^11311100 is an apocalyptic number.

11311100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311100 is an abundant number, since it is smaller than the sum of its proper divisors (13234204).

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

11311100 is a wasteful number, since it uses less digits than its factorization.

11311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113125 (or 113118 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 11311100 is about 3363.1978829679. The cubic root of 11311100 is about 224.4751552773.

Adding to 11311100 its reverse (111311), we get a palindrome (11422411).

It can be divided in two parts, 11311 and 100, that added together give a palindrome (11411).

The spelling of 11311100 in words is "eleven million, three hundred eleven thousand, one hundred".