1101313044 has 48 divisors (see below), whose sum is σ = 3074895040. Its totient is φ = 338865120.

The previous prime is 1101313043. The next prime is 1101313061. The reversal of 1101313044 is 4403131011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101313043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390802 + ... + 393609.

Almost surely, 2^1101313044 is an apocalyptic number.

It is an amenable number.

1101313044 is an abundant number, since it is smaller than the sum of its proper divisors (1973581996).

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

1101313044 is a wasteful number, since it uses less digits than its factorization.

1101313044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784437 (or 784429 counting only the distinct ones).

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

The square root of 1101313044 is about 33186.0368830025. The cubic root of 1101313044 is about 1032.6906882608.

Adding to 1101313044 its reverse (4403131011), we get a palindrome (5504444055).

The spelling of 1101313044 in words is "one billion, one hundred one million, three hundred thirteen thousand, forty-four".