Search a number
-
+
212323031203 is a prime number
BaseRepresentation
bin1100010110111101110…
…0000101100010100011
3202022001011020112100111
43011233130011202203
511434314143444303
6241312335232151
721224363662453
oct3055734054243
9668034215314
10212323031203
11820558a7a08
1235196678657
131703938680a
14a3c2989d63
1557ca252b6d
hex316f7058a3

212323031203 has 2 divisors, whose sum is σ = 212323031204. Its totient is φ = 212323031202.

The previous prime is 212323031191. The next prime is 212323031227. The reversal of 212323031203 is 302130323212.

212323031203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212323031203 - 25 = 212323031171 is a prime.

It is a super-2 number, since 2×2123230312032 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212323031233) 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, 106161515601 + 106161515602.

It is an arithmetic number, because the mean of its divisors is an integer number (106161515602).

Almost surely, 2212323031203 is an apocalyptic number.

212323031203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212323031203 is an equidigital number, since it uses as much as digits as its factorization.

212323031203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212323031203 its reverse (302130323212), we get a palindrome (514453354415).

The spelling of 212323031203 in words is "two hundred twelve billion, three hundred twenty-three million, thirty-one thousand, two hundred three".