211232313 has 32 divisors (see below), whose sum is σ = 319334400. Its totient is φ = 137970000.

The previous prime is 211232279. The next prime is 211232321. The reversal of 211232313 is 313232112.

211232313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211232313 - 2¹⁰ = 211231289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211232363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480948 + ... + 481386.

It is an arithmetic number, because the mean of its divisors is an integer number (9979200).

Almost surely, 2^211232313 is an apocalyptic number.

It is an amenable number.

211232313 is a deficient number, since it is larger than the sum of its proper divisors (108102087).

211232313 is a wasteful number, since it uses less digits than its factorization.

211232313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 764 counting only the distinct ones).

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

The square root of 211232313 is about 14533.8333897152. The cubic root of 211232313 is about 595.5525907021.

Adding to 211232313 its reverse (313232112), we get a palindrome (524464425).

It can be divided in two parts, 21123 and 2313, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 211232313 in words is "two hundred eleven million, two hundred thirty-two thousand, three hundred thirteen".