1101323331 has 8 divisors (see below), whose sum is σ = 1631590160. Its totient is φ = 734215536.

The previous prime is 1101323297. The next prime is 1101323357. The reversal of 1101323331 is 1333231011.

It is a happy number.

1101323331 is a `hidden beast` number, since 1 + 10 + 1 + 323 + 331 = 666.

It is not a de Polignac number, because 1101323331 - 2⁷ = 1101323203 is a prime.

It is a super-3 number, since 3×1101323331³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101323371) 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 7 ways as a sum of consecutive naturals, for example, 20394850 + ... + 20394903.

It is an arithmetic number, because the mean of its divisors is an integer number (203948770).

Almost surely, 2^1101323331 is an apocalyptic number.

1101323331 is a deficient number, since it is larger than the sum of its proper divisors (530266829).

1101323331 is an equidigital number, since it uses as much as digits as its factorization.

1101323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40789762 (or 40789756 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1101323331 is about 33186.1918725243. The cubic root of 1101323331 is about 1032.6939035912.

Adding to 1101323331 its reverse (1333231011), we get a palindrome (2434554342).

The spelling of 1101323331 in words is "one billion, one hundred one million, three hundred twenty-three thousand, three hundred thirty-one".