631108 has 12 divisors (see below), whose sum is σ = 1169532. Its totient is φ = 296960.

The previous prime is 631061. The next prime is 631121. The reversal of 631108 is 801136.

It can be written as a sum of positive squares in 2 ways, for example, as 529984 + 101124 = 728^2 + 318^2 .

It is an unprimeable number.

631108 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 4573 + ... + 4708.

It is an arithmetic number, because the mean of its divisors is an integer number (97461).

2⁶³¹¹⁰⁸ is an apocalyptic number.

631108 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

631108 is a deficient number, since it is larger than the sum of its proper divisors (538424).

631108 is a wasteful number, since it uses less digits than its factorization.

631108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302 (or 9300 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 631108 is about 794.4230610953. The cubic root of 631108 is about 85.7764158006.

The spelling of 631108 in words is "six hundred thirty-one thousand, one hundred eight".