213110113 has 8 divisors (see below), whose sum is σ = 225798408. Its totient is φ = 200438784.

The previous prime is 213110071. The next prime is 213110159. The reversal of 213110113 is 311011312.

It can be written as a sum of positive squares in 4 ways, for example, as 81595089 + 131515024 = 9033^2 + 11468^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213110113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213110093 and 213110102.

It is not an unprimeable number, because it can be changed into a prime (213119113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29245 + ... + 35797.

It is an arithmetic number, because the mean of its divisors is an integer number (28224801).

Almost surely, 2^213110113 is an apocalyptic number.

It is an amenable number.

213110113 is a deficient number, since it is larger than the sum of its proper divisors (12688295).

213110113 is a wasteful number, since it uses less digits than its factorization.

213110113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 213110113 is about 14598.2914411242. The cubic root of 213110113 is about 597.3121558399.

Adding to 213110113 its reverse (311011312), we get a palindrome (524121425).

The spelling of 213110113 in words is "two hundred thirteen million, one hundred ten thousand, one hundred thirteen".