Search a number
-
+
231443274241 is a prime number
BaseRepresentation
bin1101011110001100011…
…0000001101000000001
3211010101200100111221001
43113203012001220001
512242443434233431
6254153520332001
722502244241324
oct3274306015001
9733350314831
10231443274241
118a177770563
1238a31a74001
1318a957049aa
14b2b80a47bb
156048b3ee61
hex35e3181a01

231443274241 has 2 divisors, whose sum is σ = 231443274242. Its totient is φ = 231443274240.

The previous prime is 231443274193. The next prime is 231443274287. The reversal of 231443274241 is 142472344132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212148675216 + 19294599025 = 460596^2 + 138905^2 .

It is a cyclic number.

It is not a de Polignac number, because 231443274241 - 27 = 231443274113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231443274241.

It is not a weakly prime, because it can be changed into another prime (231443274941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115721637120 + 115721637121.

It is an arithmetic number, because the mean of its divisors is an integer number (115721637121).

Almost surely, 2231443274241 is an apocalyptic number.

It is an amenable number.

231443274241 is a deficient number, since it is larger than the sum of its proper divisors (1).

231443274241 is an equidigital number, since it uses as much as digits as its factorization.

231443274241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 37.

The spelling of 231443274241 in words is "two hundred thirty-one billion, four hundred forty-three million, two hundred seventy-four thousand, two hundred forty-one".