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2311243241 is a prime number
BaseRepresentation
bin1000100111000010…
…1100010111101001
312222002000022200112
42021300230113221
514213134240431
61021201544105
7111163146326
oct21160542751
95862008615
102311243241
11a8670028a
12546045035
132aaab0868
1417cd57b4d
15d7d92c2b
hex89c2c5e9

2311243241 has 2 divisors, whose sum is σ = 2311243242. Its totient is φ = 2311243240.

The previous prime is 2311243229. The next prime is 2311243289. The reversal of 2311243241 is 1423421132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1381237225 + 930006016 = 37165^2 + 30496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2311243241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2311243741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155621620 + 1155621621.

It is an arithmetic number, because the mean of its divisors is an integer number (1155621621).

Almost surely, 22311243241 is an apocalyptic number.

It is an amenable number.

2311243241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311243241 is an equidigital number, since it uses as much as digits as its factorization.

2311243241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 2311243241 is about 48075.3912204571. The cubic root of 2311243241 is about 1322.1535173650.

Adding to 2311243241 its reverse (1423421132), we get a palindrome (3734664373).

The spelling of 2311243241 in words is "two billion, three hundred eleven million, two hundred forty-three thousand, two hundred forty-one".