106281631 has 8 divisors (see below), whose sum is σ = 108287280. Its totient is φ = 104288448.

The previous prime is 106281619. The next prime is 106281641. The reversal of 106281631 is 136182601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106281631 - 2⁵ = 106281599 is a prime.

It is a super-2 number, since 2×106281631² = 22591570176040322, 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 106281631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106281641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15075 + ... + 20971.

It is an arithmetic number, because the mean of its divisors is an integer number (13535910).

Almost surely, 2^106281631 is an apocalyptic number.

106281631 is a deficient number, since it is larger than the sum of its proper divisors (2005649).

106281631 is an equidigital number, since it uses as much as digits as its factorization.

106281631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 106281631 is about 10309.2982787385. The cubic root of 106281631 is about 473.6811147792.

The spelling of 106281631 in words is "one hundred six million, two hundred eighty-one thousand, six hundred thirty-one".