311680244 has 24 divisors (see below), whose sum is σ = 587321280. Its totient is φ = 144185216.

The previous prime is 311680241. The next prime is 311680249. The reversal of 311680244 is 442086113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311680241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34832 + ... + 42855.

It is an arithmetic number, because the mean of its divisors is an integer number (24471720).

Almost surely, 2^311680244 is an apocalyptic number.

311680244 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

311680244 is a deficient number, since it is larger than the sum of its proper divisors (275641036).

311680244 is a wasteful number, since it uses less digits than its factorization.

311680244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77767 (or 77765 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 311680244 is about 17654.4681030044. The cubic root of 311680244 is about 678.0105085054.

The spelling of 311680244 in words is "three hundred eleven million, six hundred eighty thousand, two hundred forty-four".