1113443320 has 64 divisors (see below), whose sum is σ = 2876860800. Its totient is φ = 383575680.

The previous prime is 1113443293. The next prime is 1113443329. The reversal of 1113443320 is 233443111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1113443291 and 1113443300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113443329) 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 15 ways as a sum of consecutive naturals, for example, 58234 + ... + 74953.

It is an arithmetic number, because the mean of its divisors is an integer number (44950950).

Almost surely, 2^1113443320 is an apocalyptic number.

1113443320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113443320 is an abundant number, since it is smaller than the sum of its proper divisors (1763417480).

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

1113443320 is a wasteful number, since it uses less digits than its factorization.

1113443320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133228 (or 133224 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1113443320 is about 33368.2981286130. The cubic root of 1113443320 is about 1036.4683337431.

Adding to 1113443320 its reverse (233443111), we get a palindrome (1346886431).

The spelling of 1113443320 in words is "one billion, one hundred thirteen million, four hundred forty-three thousand, three hundred twenty".