Search a number
-
+
212203331311 is a prime number
BaseRepresentation
bin1100010110100001001…
…1011101111011101111
3202021201211000010222011
43011220103131323233
511434043023100221
6241252421502051
721221411361256
oct3055023357357
9667654003864
10212203331311
1181aa4280684
1235162571927
131701a63638a
14a3b0b0b79d
1557be9ab1e1
hex31684ddeef

212203331311 has 2 divisors, whose sum is σ = 212203331312. Its totient is φ = 212203331310.

The previous prime is 212203331293. The next prime is 212203331413. The reversal of 212203331311 is 113133302212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212203331311 - 213 = 212203323119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212203361311) 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, 106101665655 + 106101665656.

It is an arithmetic number, because the mean of its divisors is an integer number (106101665656).

Almost surely, 2212203331311 is an apocalyptic number.

212203331311 is a deficient number, since it is larger than the sum of its proper divisors (1).

212203331311 is an equidigital number, since it uses as much as digits as its factorization.

212203331311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212203331311 its reverse (113133302212), we get a palindrome (325336633523).

The spelling of 212203331311 in words is "two hundred twelve billion, two hundred three million, three hundred thirty-one thousand, three hundred eleven".