631314 has 28 divisors (see below), whose sum is σ = 1423086. Its totient is φ = 209952.

The previous prime is 631307. The next prime is 631339. The reversal of 631314 is 413136.

631314 is a `hidden beast` number, since 631 + 31 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 613089 + 18225 = 783^2 + 135^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 631314.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1242 + ... + 1674.

2⁶³¹³¹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711543).

631314 is an abundant number, since it is smaller than the sum of its proper divisors (791772).

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

631314 is an equidigital number, since it uses as much as digits as its factorization.

631314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 438 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 631314 is about 794.5527043564. The cubic root of 631314 is about 85.7857475470.

The spelling of 631314 in words is "six hundred thirty-one thousand, three hundred fourteen".