213411113 has 4 divisors (see below), whose sum is σ = 213442308. Its totient is φ = 213379920.

The previous prime is 213411071. The next prime is 213411151. The reversal of 213411113 is 311114312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 198021184 + 15389929 = 14072^2 + 3923^2 .

It is a cyclic number.

It is not a de Polignac number, because 213411113 - 2¹⁴ = 213394729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213411091 and 213411100.

It is not an unprimeable number, because it can be changed into a prime (213411413) 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 3 ways as a sum of consecutive naturals, for example, 398 + ... + 20663.

It is an arithmetic number, because the mean of its divisors is an integer number (53360577).

Almost surely, 2^213411113 is an apocalyptic number.

It is an amenable number.

213411113 is a deficient number, since it is larger than the sum of its proper divisors (31195).

213411113 is a wasteful number, since it uses less digits than its factorization.

213411113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31194.

The product of its digits is 72, while the sum is 17.

The square root of 213411113 is about 14608.5972290292. The cubic root of 213411113 is about 597.5932411691.

Adding to 213411113 its reverse (311114312), we get a palindrome (524525425).

The spelling of 213411113 in words is "two hundred thirteen million, four hundred eleven thousand, one hundred thirteen".