1100320326 has 48 divisors (see below), whose sum is σ = 2727108384. Its totient is φ = 314088192.

The previous prime is 1100320303. The next prime is 1100320327. The reversal of 1100320326 is 6230230011.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1100320299 and 1100320308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100320327) by changing a digit.

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, 160056 + ... + 166788.

It is an arithmetic number, because the mean of its divisors is an integer number (56814758).

Almost surely, 2^1100320326 is an apocalyptic number.

1100320326 is an abundant number, since it is smaller than the sum of its proper divisors (1626788058).

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

1100320326 is a wasteful number, since it uses less digits than its factorization.

1100320326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045 (or 8042 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1100320326 is about 33171.0766481886. The cubic root of 1100320326 is about 1032.3803075982.

Adding to 1100320326 its reverse (6230230011), we get a palindrome (7330550337).

It can be divided in two parts, 11003 and 20326, that added together give a square (31329 = 177²).

The spelling of 1100320326 in words is "one billion, one hundred million, three hundred twenty thousand, three hundred twenty-six".