320103197 has 2 divisors, whose sum is σ = 320103198. Its totient is φ = 320103196.

The previous prime is 320103193. The next prime is 320103209. The reversal of 320103197 is 791301023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260951716 + 59151481 = 16154^2 + 7691^2 .

It is a cyclic number.

It is not a de Polignac number, because 320103197 - 2² = 320103193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320103193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160051598 + 160051599.

It is an arithmetic number, because the mean of its divisors is an integer number (160051599).

Almost surely, 2^320103197 is an apocalyptic number.

It is an amenable number.

320103197 is a deficient number, since it is larger than the sum of its proper divisors (1).

320103197 is an equidigital number, since it uses as much as digits as its factorization.

320103197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 320103197 is about 17891.4280313227. The cubic root of 320103197 is about 684.0638975964.

The spelling of 320103197 in words is "three hundred twenty million, one hundred three thousand, one hundred ninety-seven".