320000030197 has 2 divisors, whose sum is σ = 320000030198. Its totient is φ = 320000030196.

The previous prime is 320000030177. The next prime is 320000030227. The reversal of 320000030197 is 791030000023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240074520676 + 79925509521 = 489974^2 + 282711^2 .

It is a cyclic number.

It is not a de Polignac number, because 320000030197 - 2¹¹ = 320000028149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320000030107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160000015098 + 160000015099.

It is an arithmetic number, because the mean of its divisors is an integer number (160000015099).

Almost surely, 2^320000030197 is an apocalyptic number.

It is an amenable number.

320000030197 is a deficient number, since it is larger than the sum of its proper divisors (1).

320000030197 is an equidigital number, since it uses as much as digits as its factorization.

320000030197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The spelling of 320000030197 in words is "three hundred twenty billion, thirty thousand, one hundred ninety-seven".