1113331100 has 72 divisors (see below), whose sum is σ = 2881148928. Its totient is φ = 365112000.

The previous prime is 1113331081. The next prime is 1113331111. The reversal of 1113331100 is 11333111.

It is a happy number.

It is a super-2 number, since 2×1113331100² = 2479012276454420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18476 + ... + 50675.

Almost surely, 2^1113331100 is an apocalyptic number.

1113331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113331100 is an abundant number, since it is smaller than the sum of its proper divisors (1767817828).

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

1113331100 is a wasteful number, since it uses less digits than its factorization.

1113331100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69195 (or 69188 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1113331100 is about 33366.6165500789. The cubic root of 1113331100 is about 1036.4335119184.

Adding to 1113331100 its reverse (11333111), we get a palindrome (1124664211).

The spelling of 1113331100 in words is "one billion, one hundred thirteen million, three hundred thirty-one thousand, one hundred".