311045268 has 12 divisors (see below), whose sum is σ = 725772320. Its totient is φ = 103681752.

The previous prime is 311045237. The next prime is 311045279. The reversal of 311045268 is 862540113.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12960208 + ... + 12960231.

Almost surely, 2^311045268 is an apocalyptic number.

It is an amenable number.

311045268 is an abundant number, since it is smaller than the sum of its proper divisors (414727052).

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

311045268 is a wasteful number, since it uses less digits than its factorization.

311045268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25920446 (or 25920444 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 311045268 is about 17636.4754982394. The cubic root of 311045268 is about 677.5497659099.

The spelling of 311045268 in words is "three hundred eleven million, forty-five thousand, two hundred sixty-eight".