631106 has 16 divisors (see below), whose sum is σ = 1101120. Its totient is φ = 265680.

The previous prime is 631061. The next prime is 631121. The reversal of 631106 is 601136.

It is an unprimeable number.

631106 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 7 ways as a sum of consecutive naturals, for example, 485 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (68820).

2⁶³¹¹⁰⁶ is an apocalyptic number.

631106 is a deficient number, since it is larger than the sum of its proper divisors (470014).

631106 is a wasteful number, since it uses less digits than its factorization.

631106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 631106 is about 794.4218023191. The cubic root of 631106 is about 85.7763251912.

It can be divided in two parts, 631 and 106, that added together give a palindrome (737).

The spelling of 631106 in words is "six hundred thirty-one thousand, one hundred six".