311045044 has 12 divisors (see below), whose sum is σ = 546448644. Its totient is φ = 154916864.

The previous prime is 311045027. The next prime is 311045047. The reversal of 311045044 is 440540113.

311045044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 302342544 + 8702500 = 17388^2 + 2950^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311045047) 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 3 ways as a sum of consecutive naturals, for example, 150259 + ... + 152314.

It is an arithmetic number, because the mean of its divisors is an integer number (45537387).

Almost surely, 2^311045044 is an apocalyptic number.

It is an amenable number.

311045044 is a deficient number, since it is larger than the sum of its proper divisors (235403600).

311045044 is a wasteful number, since it uses less digits than its factorization.

311045044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302834 (or 302832 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 311045044 is about 17636.4691477631. The cubic root of 311045044 is about 677.5496032635.

Adding to 311045044 its reverse (440540113), we get a palindrome (751585157).

The spelling of 311045044 in words is "three hundred eleven million, forty-five thousand, forty-four".