106311 has 4 divisors (see below), whose sum is σ = 141752. Its totient is φ = 70872.

The previous prime is 106307. The next prime is 106319. The reversal of 106311 is 113601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 106311 - 2² = 106307 is a prime.

It is a super-2 number, since 2×106311² = 22604057442, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17716 + ... + 17721.

It is an arithmetic number, because the mean of its divisors is an integer number (35438).

2¹⁰⁶³¹¹ is an apocalyptic number.

106311 is a deficient number, since it is larger than the sum of its proper divisors (35441).

106311 is an equidigital number, since it uses as much as digits as its factorization.

106311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35440.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 106311 is about 326.0536765626. The cubic root of 106311 is about 47.3724741821.

Adding to 106311 its reverse (113601), we get a palindrome (219912).

The spelling of 106311 in words is "one hundred six thousand, three hundred eleven".