320223211 has 16 divisors (see below), whose sum is σ = 412121088. Its totient is φ = 241473600.

The previous prime is 320223139. The next prime is 320223229. The reversal of 320223211 is 112322023.

It is a cyclic number.

It is not a de Polignac number, because 320223211 - 2¹⁷ = 320092139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320223811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64690 + ... + 69463.

It is an arithmetic number, because the mean of its divisors is an integer number (25757568).

Almost surely, 2^320223211 is an apocalyptic number.

320223211 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

320223211 is a deficient number, since it is larger than the sum of its proper divisors (91897877).

320223211 is a wasteful number, since it uses less digits than its factorization.

320223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134202.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320223211 is about 17894.7816695259. The cubic root of 320223211 is about 684.1493773078.

Adding to 320223211 its reverse (112322023), we get a palindrome (432545234).

The spelling of 320223211 in words is "three hundred twenty million, two hundred twenty-three thousand, two hundred eleven".