311994 has 12 divisors (see below), whose sum is σ = 676026. Its totient is φ = 103992.

The previous prime is 311981. The next prime is 312007. The reversal of 311994 is 499113.

It is an interprime number because it is at equal distance from previous prime (311981) and next prime (312007).

It can be written as a sum of positive squares in only one way, i.e., 308025 + 3969 = 555^2 + 63^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 311994.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8649 + ... + 8684.

2³¹¹⁹⁹⁴ is an apocalyptic number.

311994 is an abundant number, since it is smaller than the sum of its proper divisors (364032).

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

311994 is a wasteful number, since it uses less digits than its factorization.

311994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17341 (or 17338 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 311994 is about 558.5642308634. The cubic root of 311994 is about 67.8237940868.

It can be divided in two parts, 31 and 1994, that added together give a square (2025 = 45²).

The spelling of 311994 in words is "three hundred eleven thousand, nine hundred ninety-four".