106320213 has 6 divisors (see below), whose sum is σ = 153573654. Its totient is φ = 70880136.

The previous prime is 106320199. The next prime is 106320233. The reversal of 106320213 is 312023601.

106320213 is a `hidden beast` number, since 10 + 632 + 0 + 21 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 104407524 + 1912689 = 10218^2 + 1383^2 .

It is not a de Polignac number, because 106320213 - 2⁸ = 106319957 is a prime.

It is a super-2 number, since 2×106320213² = 22607975384730738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106320233) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5906670 + ... + 5906687.

It is an arithmetic number, because the mean of its divisors is an integer number (25595609).

Almost surely, 2^106320213 is an apocalyptic number.

It is an amenable number.

106320213 is a deficient number, since it is larger than the sum of its proper divisors (47253441).

106320213 is a wasteful number, since it uses less digits than its factorization.

106320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11813363 (or 11813360 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 106320213 is about 10311.1693323308. The cubic root of 106320213 is about 473.7384258862.

Adding to 106320213 its reverse (312023601), we get a palindrome (418343814).

The spelling of 106320213 in words is "one hundred six million, three hundred twenty thousand, two hundred thirteen".