Search a number
-
+
30311022213211 is a prime number
BaseRepresentation
bin1101110010001010101011…
…01101100011100001011011
310222022201001020212020021011
412321011111231203201123
512433103433141310321
6144244405200354351
76245620246522135
oct671052555434133
9128281036766234
1030311022213211
119726917918273
1234965900159b7
1313bb4179720bc
1476b0c0302055
153786d4e63ae1
hex1b9155b6385b

30311022213211 has 2 divisors, whose sum is σ = 30311022213212. Its totient is φ = 30311022213210.

The previous prime is 30311022213209. The next prime is 30311022213239. The reversal of 30311022213211 is 11231222011303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30311022213211 - 21 = 30311022213209 is a prime.

Together with 30311022213209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30311022213811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155511106605 + 15155511106606.

It is an arithmetic number, because the mean of its divisors is an integer number (15155511106606).

Almost surely, 230311022213211 is an apocalyptic number.

30311022213211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30311022213211 is an equidigital number, since it uses as much as digits as its factorization.

30311022213211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30311022213211 its reverse (11231222011303), we get a palindrome (41542244224514).

The spelling of 30311022213211 in words is "thirty trillion, three hundred eleven billion, twenty-two million, two hundred thirteen thousand, two hundred eleven".