211322313 has 12 divisors (see below), whose sum is σ = 321309040. Its totient is φ = 133466616.

The previous prime is 211322303. The next prime is 211322327. The reversal of 211322313 is 313223112.

It is not a de Polignac number, because 211322313 - 2⁴ = 211322297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211322303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617731 + ... + 618072.

Almost surely, 2^211322313 is an apocalyptic number.

It is an amenable number.

211322313 is a deficient number, since it is larger than the sum of its proper divisors (109986727).

211322313 is a wasteful number, since it uses less digits than its factorization.

211322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235828 (or 1235825 counting only the distinct ones).

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

The square root of 211322313 is about 14536.9292837243. The cubic root of 211322313 is about 595.6371612898.

Adding to 211322313 its reverse (313223112), we get a palindrome (524545425).

The spelling of 211322313 in words is "two hundred eleven million, three hundred twenty-two thousand, three hundred thirteen".