Search a number
-
+
111213030143 is a prime number
BaseRepresentation
bin110011110010011010…
…0000010101011111111
3101122001121221021220102
41213210310002223333
53310231013431033
6123031321111315
711014651105325
oct1474464025377
9348047837812
10111213030143
114318a946666
121967902853b
13a644904217
145550345d15
152d5d858de8
hex19e4d02aff

111213030143 has 2 divisors, whose sum is σ = 111213030144. Its totient is φ = 111213030142.

The previous prime is 111213030121. The next prime is 111213030259. The reversal of 111213030143 is 341030312111.

It is a weak prime.

It is an emirp because it is prime and its reverse (341030312111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111213030143 - 226 = 111145921279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111213030343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606515071 + 55606515072.

It is an arithmetic number, because the mean of its divisors is an integer number (55606515072).

Almost surely, 2111213030143 is an apocalyptic number.

111213030143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111213030143 is an equidigital number, since it uses as much as digits as its factorization.

111213030143 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 20.

Adding to 111213030143 its reverse (341030312111), we get a palindrome (452243342254).

The spelling of 111213030143 in words is "one hundred eleven billion, two hundred thirteen million, thirty thousand, one hundred forty-three".