320111417 has 2 divisors, whose sum is σ = 320111418. Its totient is φ = 320111416.

The previous prime is 320111387. The next prime is 320111419. The reversal of 320111417 is 714111023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237283216 + 82828201 = 15404^2 + 9101^2 .

It is a cyclic number.

It is not a de Polignac number, because 320111417 - 2⁶ = 320111353 is a prime.

Together with 320111419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320111419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160055708 + 160055709.

It is an arithmetic number, because the mean of its divisors is an integer number (160055709).

Almost surely, 2^320111417 is an apocalyptic number.

It is an amenable number.

320111417 is a deficient number, since it is larger than the sum of its proper divisors (1).

320111417 is an equidigital number, since it uses as much as digits as its factorization.

320111417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 320111417 is about 17891.6577487945. The cubic root of 320111417 is about 684.0697529551.

The spelling of 320111417 in words is "three hundred twenty million, one hundred eleven thousand, four hundred seventeen".