211112313 has 4 divisors (see below), whose sum is σ = 281483088. Its totient is φ = 140741540.

The previous prime is 211112309. The next prime is 211112329. The reversal of 211112313 is 313211112.

It is a happy number.

211112313 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 211112313 - 2² = 211112309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211112292 and 211112301.

It is not an unprimeable number, because it can be changed into a prime (211112333) 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, 35185383 + ... + 35185388.

It is an arithmetic number, because the mean of its divisors is an integer number (70370772).

Almost surely, 2^211112313 is an apocalyptic number.

It is an amenable number.

211112313 is a deficient number, since it is larger than the sum of its proper divisors (70370775).

211112313 is an equidigital number, since it uses as much as digits as its factorization.

211112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70370774.

The product of its digits is 36, while the sum is 15.

The square root of 211112313 is about 14529.7045049099. The cubic root of 211112313 is about 595.4397925426.

Adding to 211112313 its reverse (313211112), we get a palindrome (524323425).

The spelling of 211112313 in words is "two hundred eleven million, one hundred twelve thousand, three hundred thirteen".