320132213 has 2 divisors, whose sum is σ = 320132214. Its totient is φ = 320132212.

The previous prime is 320132207. The next prime is 320132221. The reversal of 320132213 is 312231023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298667524 + 21464689 = 17282^2 + 4633^2 .

It is a cyclic number.

It is not a de Polignac number, because 320132213 - 2⁶ = 320132149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320132191 and 320132200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320132203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160066106 + 160066107.

It is an arithmetic number, because the mean of its divisors is an integer number (160066107).

Almost surely, 2^320132213 is an apocalyptic number.

It is an amenable number.

320132213 is a deficient number, since it is larger than the sum of its proper divisors (1).

320132213 is an equidigital number, since it uses as much as digits as its factorization.

320132213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 320132213 is about 17892.2389040612. The cubic root of 320132213 is about 684.0845661376.

Adding to 320132213 its reverse (312231023), we get a palindrome (632363236).

The spelling of 320132213 in words is "three hundred twenty million, one hundred thirty-two thousand, two hundred thirteen".