1101323305 has 16 divisors (see below), whose sum is σ = 1348136784. Its totient is φ = 863399680.

The previous prime is 1101323297. The next prime is 1101323357. The reversal of 1101323305 is 5033231011.

It can be written as a sum of positive squares in 8 ways, for example, as 90782784 + 1010540521 = 9528^2 + 31789^2 .

It is not a de Polignac number, because 1101323305 - 2³ = 1101323297 is a prime.

It is a super-2 number, since 2×1101323305² = 2425826044272246050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 279207 + ... + 283123.

It is an arithmetic number, because the mean of its divisors is an integer number (84258549).

Almost surely, 2^1101323305 is an apocalyptic number.

It is an amenable number.

1101323305 is a deficient number, since it is larger than the sum of its proper divisors (246813479).

1101323305 is a wasteful number, since it uses less digits than its factorization.

1101323305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1101323305 is about 33186.1914807951. The cubic root of 1101323305 is about 1032.6938954646.

Adding to 1101323305 its reverse (5033231011), we get a palindrome (6134554316).

The spelling of 1101323305 in words is "one billion, one hundred one million, three hundred twenty-three thousand, three hundred five".