320215327 has 2 divisors, whose sum is σ = 320215328. Its totient is φ = 320215326.

The previous prime is 320215321. The next prime is 320215373. The reversal of 320215327 is 723512023.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320215327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320215321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160107663 + 160107664.

It is an arithmetic number, because the mean of its divisors is an integer number (160107664).

Almost surely, 2^320215327 is an apocalyptic number.

320215327 is a deficient number, since it is larger than the sum of its proper divisors (1).

320215327 is an equidigital number, since it uses as much as digits as its factorization.

320215327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 320215327 is about 17894.5613804865. The cubic root of 320215327 is about 684.1437626014.

The spelling of 320215327 in words is "three hundred twenty million, two hundred fifteen thousand, three hundred twenty-seven".