Search a number
-
+
2311330657 is a prime number
BaseRepresentation
bin1000100111000100…
…0001101101100001
312222002011202121011
42021301001231201
514213200040112
61021203500521
7111163662226
oct21161015541
95862152534
102311330657
11a8675aa29
12546087741
132aab1159c
1417cd7b94d
15d7dadaa7
hex89c41b61

2311330657 has 2 divisors, whose sum is σ = 2311330658. Its totient is φ = 2311330656.

The previous prime is 2311330649. The next prime is 2311330661. The reversal of 2311330657 is 7560331132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2238330721 + 72999936 = 47311^2 + 8544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311330657 - 23 = 2311330649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2311330627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155665328 + 1155665329.

It is an arithmetic number, because the mean of its divisors is an integer number (1155665329).

Almost surely, 22311330657 is an apocalyptic number.

It is an amenable number.

2311330657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311330657 is an equidigital number, since it uses as much as digits as its factorization.

2311330657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 2311330657 is about 48076.3003672288. The cubic root of 2311330657 is about 1322.1701860151.

Adding to 2311330657 its reverse (7560331132), we get a palindrome (9871661789).

The spelling of 2311330657 in words is "two billion, three hundred eleven million, three hundred thirty thousand, six hundred fifty-seven".