320103193 has 2 divisors, whose sum is σ = 320103194. Its totient is φ = 320103192.

The previous prime is 320103101. The next prime is 320103197. The reversal of 320103193 is 391301023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318729609 + 1373584 = 17853^2 + 1172^2 .

It is an emirp because it is prime and its reverse (391301023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320103193 - 2⁹ = 320102681 is a prime.

It is a super-3 number, since 3×320103193³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (320103197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160051596 + 160051597.

It is an arithmetic number, because the mean of its divisors is an integer number (160051597).

Almost surely, 2^320103193 is an apocalyptic number.

It is an amenable number.

320103193 is a deficient number, since it is larger than the sum of its proper divisors (1).

320103193 is an equidigital number, since it uses as much as digits as its factorization.

320103193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 320103193 is about 17891.4279195373. The cubic root of 320103193 is about 684.0638947471.

The spelling of 320103193 in words is "three hundred twenty million, one hundred three thousand, one hundred ninety-three".