631022106 has 64 divisors (see below), whose sum is σ = 1494614016. Its totient is φ = 175089600.

The previous prime is 631022071. The next prime is 631022111. The reversal of 631022106 is 601220136.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 106071 + ... + 111861.

It is an arithmetic number, because the mean of its divisors is an integer number (23353344).

Almost surely, 2^631022106 is an apocalyptic number.

631022106 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 631022106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747307008).

631022106 is an abundant number, since it is smaller than the sum of its proper divisors (863591910).

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

631022106 is a wasteful number, since it uses less digits than its factorization.

631022106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5947.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 631022106 is about 25120.1533832897. The cubic root of 631022106 is about 857.7252422489.

The spelling of 631022106 in words is "six hundred thirty-one million, twenty-two thousand, one hundred six".