311274 has 12 divisors (see below), whose sum is σ = 674466. Its totient is φ = 103752.

The previous prime is 311237. The next prime is 311279. The reversal of 311274 is 472113.

It can be written as a sum of positive squares in only one way, i.e., 308025 + 3249 = 555^2 + 57^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 17293 = 311274 / (3 + 1 + 1 + 2 + 7 + 4).

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 311274.

It is not an unprimeable number, because it can be changed into a prime (311279) 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 5 ways as a sum of consecutive naturals, for example, 8629 + ... + 8664.

2³¹¹²⁷⁴ is an apocalyptic number.

311274 is an abundant number, since it is smaller than the sum of its proper divisors (363192).

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

311274 is a wasteful number, since it uses less digits than its factorization.

311274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17301 (or 17298 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 311274 is about 557.9193490102. The cubic root of 311274 is about 67.7715807487.

Adding to 311274 its reverse (472113), we get a palindrome (783387).

It can be divided in two parts, 311 and 274, that added together give a palindrome (585).

The spelling of 311274 in words is "three hundred eleven thousand, two hundred seventy-four", and thus it is an iban number.