Search a number
-
+
213112320301 is a prime number
BaseRepresentation
bin1100011001111001111…
…0111111000100101101
3202101002011102120110001
43012132132333010231
511442423223222201
6241522532344301
721253056556036
oct3063636770455
9671064376401
10213112320301
1182420392551
1235376a75091
1317133a5939a
14a459727a8d
1558246b1301
hex319e7bf12d

213112320301 has 2 divisors, whose sum is σ = 213112320302. Its totient is φ = 213112320300.

The previous prime is 213112320299. The next prime is 213112320361. The reversal of 213112320301 is 103023211312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119595622276 + 93516698025 = 345826^2 + 305805^2 .

It is a cyclic number.

It is not a de Polignac number, because 213112320301 - 21 = 213112320299 is a prime.

It is a super-2 number, since 2×2131123203012 (a number of 23 digits) contains 22 as substring.

Together with 213112320299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213112320361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556160150 + 106556160151.

It is an arithmetic number, because the mean of its divisors is an integer number (106556160151).

Almost surely, 2213112320301 is an apocalyptic number.

It is an amenable number.

213112320301 is a deficient number, since it is larger than the sum of its proper divisors (1).

213112320301 is an equidigital number, since it uses as much as digits as its factorization.

213112320301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213112320301 its reverse (103023211312), we get a palindrome (316135531613).

The spelling of 213112320301 in words is "two hundred thirteen billion, one hundred twelve million, three hundred twenty thousand, three hundred one".