320212113 has 32 divisors (see below), whose sum is σ = 491043840. Its totient is φ = 184101120.

The previous prime is 320212103. The next prime is 320212127. The reversal of 320212113 is 311212023.

It is not a de Polignac number, because 320212113 - 2⁹ = 320211601 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320212092 and 320212101.

It is not an unprimeable number, because it can be changed into a prime (320212103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30495 + ... + 39627.

It is an arithmetic number, because the mean of its divisors is an integer number (15345120).

Almost surely, 2^320212113 is an apocalyptic number.

It is an amenable number.

320212113 is a deficient number, since it is larger than the sum of its proper divisors (170831727).

320212113 is a wasteful number, since it uses less digits than its factorization.

320212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9209.

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

The square root of 320212113 is about 17894.4715764395. The cubic root of 320212113 is about 684.1414736777.

Adding to 320212113 its reverse (311212023), we get a palindrome (631424136).

The spelling of 320212113 in words is "three hundred twenty million, two hundred twelve thousand, one hundred thirteen".