106443631 has 12 divisors (see below), whose sum is σ = 124462008. Its totient is φ = 90766032.

The previous prime is 106443593. The next prime is 106443661. The reversal of 106443631 is 136344601.

It is not a de Polignac number, because 106443631 - 2¹¹ = 106441583 is a prime.

It is a super-2 number, since 2×106443631² = 22660493160928322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106443631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106443661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4140 + ... + 15166.

It is an arithmetic number, because the mean of its divisors is an integer number (10371834).

Almost surely, 2^106443631 is an apocalyptic number.

106443631 is a deficient number, since it is larger than the sum of its proper divisors (18018377).

106443631 is a wasteful number, since it uses less digits than its factorization.

106443631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11238 (or 11231 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 106443631 is about 10317.1522718238. The cubic root of 106443631 is about 473.9216624146.

The spelling of 106443631 in words is "one hundred six million, four hundred forty-three thousand, six hundred thirty-one".