Search a number
-
+
301220031197 is a prime number
BaseRepresentation
bin1000110001000100001…
…11001110101011011101
31001210111112122000220202
410120202013032223131
514413344311444242
6350213434353245
730522341006531
oct4304207165335
91053445560822
10301220031197
11106823944848
124a465b8b825
1322535817767
14108171a7bc1
157c7e854932
hex46221ceadd

301220031197 has 2 divisors, whose sum is σ = 301220031198. Its totient is φ = 301220031196.

The previous prime is 301220031121. The next prime is 301220031199. The reversal of 301220031197 is 791130022103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283030384036 + 18189647161 = 532006^2 + 134869^2 .

It is a cyclic number.

It is not a de Polignac number, because 301220031197 - 220 = 301218982621 is a prime.

Together with 301220031199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (301220031199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150610015598 + 150610015599.

It is an arithmetic number, because the mean of its divisors is an integer number (150610015599).

Almost surely, 2301220031197 is an apocalyptic number.

It is an amenable number.

301220031197 is a deficient number, since it is larger than the sum of its proper divisors (1).

301220031197 is an equidigital number, since it uses as much as digits as its factorization.

301220031197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 301220031197 in words is "three hundred one billion, two hundred twenty million, thirty-one thousand, one hundred ninety-seven".