1100311344 has 80 divisors (see below), whose sum is σ = 3445434240. Its totient is φ = 333426240.

The previous prime is 1100311343. The next prime is 1100311367. The reversal of 1100311344 is 4431130011.

1100311344 is a `hidden beast` number, since 1 + 10 + 0 + 311 + 344 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1100311343) 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 15 ways as a sum of consecutive naturals, for example, 111022 + ... + 120525.

It is an arithmetic number, because the mean of its divisors is an integer number (43067928).

Almost surely, 2^1100311344 is an apocalyptic number.

It is an amenable number.

1100311344 is an abundant number, since it is smaller than the sum of its proper divisors (2345122896).

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

1100311344 is a wasteful number, since it uses less digits than its factorization.

1100311344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231575 (or 231563 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1100311344 is about 33170.9412588790. The cubic root of 1100311344 is about 1032.3774984571.

Adding to 1100311344 its reverse (4431130011), we get a palindrome (5531441355).

The spelling of 1100311344 in words is "one billion, one hundred million, three hundred eleven thousand, three hundred forty-four".