Search a number
-
+
2231320411 is a prime number
BaseRepresentation
bin1000010011111111…
…0011111101011011
312202111121211011201
42010333303331123
514032204223121
61005224535031
7106202624215
oct20477637533
95674554151
102231320411
11a45582061
12523321477
13297379648
141724b15b5
15d0d56e91
hex84ff3f5b

2231320411 has 2 divisors, whose sum is σ = 2231320412. Its totient is φ = 2231320410.

The previous prime is 2231320379. The next prime is 2231320433. The reversal of 2231320411 is 1140231322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231320411 - 25 = 2231320379 is a prime.

It is a super-3 number, since 3×22313204113 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231320471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115660205 + 1115660206.

It is an arithmetic number, because the mean of its divisors is an integer number (1115660206).

Almost surely, 22231320411 is an apocalyptic number.

2231320411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231320411 is an equidigital number, since it uses as much as digits as its factorization.

2231320411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2231320411 is about 47236.8543724071. The cubic root of 2231320411 is about 1306.7343656861.

Adding to 2231320411 its reverse (1140231322), we get a palindrome (3371551733).

It can be divided in two parts, 22313 and 20411, that added together give a palindrome (42724).

The spelling of 2231320411 in words is "two billion, two hundred thirty-one million, three hundred twenty thousand, four hundred eleven".