320161301 has 2 divisors, whose sum is σ = 320161302. Its totient is φ = 320161300.

The previous prime is 320161291. The next prime is 320161313. The reversal of 320161301 is 103161023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223532401 + 96628900 = 14951^2 + 9830^2 .

It is a cyclic number.

It is not a de Polignac number, because 320161301 - 2¹⁰ = 320160277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 320161301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320161601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160080650 + 160080651.

It is an arithmetic number, because the mean of its divisors is an integer number (160080651).

Almost surely, 2^320161301 is an apocalyptic number.

It is an amenable number.

320161301 is a deficient number, since it is larger than the sum of its proper divisors (1).

320161301 is an equidigital number, since it uses as much as digits as its factorization.

320161301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 320161301 is about 17893.0517520070. The cubic root of 320161301 is about 684.1052847120.

The spelling of 320161301 in words is "three hundred twenty million, one hundred sixty-one thousand, three hundred one".