211411313 has 4 divisors (see below), whose sum is σ = 211548480. Its totient is φ = 211274148.

The previous prime is 211411307. The next prime is 211411379. The reversal of 211411313 is 313114112.

211411313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211411313 - 2⁴ = 211411297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211411291 and 211411300.

It is not an unprimeable number, because it can be changed into a prime (211411393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66245 + ... + 69362.

It is an arithmetic number, because the mean of its divisors is an integer number (52887120).

Almost surely, 2^211411313 is an apocalyptic number.

It is an amenable number.

211411313 is a deficient number, since it is larger than the sum of its proper divisors (137167).

211411313 is a wasteful number, since it uses less digits than its factorization.

211411313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137166.

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

The square root of 211411313 is about 14539.9901306707. The cubic root of 211411313 is about 595.7207685944.

Adding to 211411313 its reverse (313114112), we get a palindrome (524525425).

The spelling of 211411313 in words is "two hundred eleven million, four hundred eleven thousand, three hundred thirteen".