320113697 has 2 divisors, whose sum is σ = 320113698. Its totient is φ = 320113696.

The previous prime is 320113649. The next prime is 320113709. The reversal of 320113697 is 796311023.

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., 202521361 + 117592336 = 14231^2 + 10844^2 .

It is a cyclic number.

It is not a de Polignac number, because 320113697 - 2⁸ = 320113441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320113637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160056848 + 160056849.

It is an arithmetic number, because the mean of its divisors is an integer number (160056849).

Almost surely, 2^320113697 is an apocalyptic number.

It is an amenable number.

320113697 is a deficient number, since it is larger than the sum of its proper divisors (1).

320113697 is an equidigital number, since it uses as much as digits as its factorization.

320113697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 320113697 is about 17891.7214655270. The cubic root of 320113697 is about 684.0713770514.

The spelling of 320113697 in words is "three hundred twenty million, one hundred thirteen thousand, six hundred ninety-seven".