1113323320 has 64 divisors (see below), whose sum is σ = 2590045920. Its totient is φ = 430424064.

The previous prime is 1113323317. The next prime is 1113323329. The reversal of 1113323320 is 233233111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113323329) 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, 163504 + ... + 170176.

Almost surely, 2^1113323320 is an apocalyptic number.

1113323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295022960).

1113323320 is an abundant number, since it is smaller than the sum of its proper divisors (1476722600).

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

1113323320 is a wasteful number, since it uses less digits than its factorization.

1113323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6824 (or 6820 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1113323320 is about 33366.4999662835. The cubic root of 1113323320 is about 1036.4310977006.

Adding to 1113323320 its reverse (233233111), we get a palindrome (1346556431).

It can be divided in two parts, 11133 and 23320, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 1113323320 in words is "one billion, one hundred thirteen million, three hundred twenty-three thousand, three hundred twenty".