320112213 has 4 divisors (see below), whose sum is σ = 426816288. Its totient is φ = 213408140.

The previous prime is 320112211. The next prime is 320112239. The reversal of 320112213 is 312211023.

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 320112213 - 2¹ = 320112211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320112192 and 320112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320112211) 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, 53352033 + ... + 53352038.

It is an arithmetic number, because the mean of its divisors is an integer number (106704072).

Almost surely, 2^320112213 is an apocalyptic number.

It is an amenable number.

320112213 is a deficient number, since it is larger than the sum of its proper divisors (106704075).

320112213 is a wasteful number, since it uses less digits than its factorization.

320112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106704074.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 320112213 is about 17891.6799937848. The cubic root of 320112213 is about 684.0703199651.

Adding to 320112213 its reverse (312211023), we get a palindrome (632323236).

The spelling of 320112213 in words is "three hundred twenty million, one hundred twelve thousand, two hundred thirteen".