1101323133 has 12 divisors (see below), whose sum is σ = 1596673728. Its totient is φ = 731504520.

The previous prime is 1101323107. The next prime is 1101323137. The reversal of 1101323133 is 3313231011.

It is a happy number.

It is not a de Polignac number, because 1101323133 - 2²⁸ = 832887677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101323137) 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 11 ways as a sum of consecutive naturals, for example, 223335 + ... + 228212.

It is an arithmetic number, because the mean of its divisors is an integer number (133056144).

Almost surely, 2^1101323133 is an apocalyptic number.

It is an amenable number.

1101323133 is a deficient number, since it is larger than the sum of its proper divisors (495350595).

1101323133 is a wasteful number, since it uses less digits than its factorization.

1101323133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451824 (or 451821 counting only the distinct ones).

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

The square root of 1101323133 is about 33186.1888893558. The cubic root of 1101323133 is about 1032.6938417041.

Adding to 1101323133 its reverse (3313231011), we get a palindrome (4414554144).

The spelling of 1101323133 in words is "one billion, one hundred one million, three hundred twenty-three thousand, one hundred thirty-three".