Search a number
-
+
233212361 is a prime number
BaseRepresentation
bin11011110011010…
…00100111001001
3121020211102012212
431321220213021
5434200243421
635050314505
75531162264
oct1571504711
9536742185
10233212361
1110a707998
1266128a35
13394154a5
1422d89cdb
1515719e5b
hexde689c9

233212361 has 2 divisors, whose sum is σ = 233212362. Its totient is φ = 233212360.

The previous prime is 233212313. The next prime is 233212363. The reversal of 233212361 is 163212332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189915961 + 43296400 = 13781^2 + 6580^2 .

It is a cyclic number.

It is not a de Polignac number, because 233212361 - 218 = 232950217 is a prime.

It is a Sophie Germain prime.

Together with 233212363, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (233212363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116606180 + 116606181.

It is an arithmetic number, because the mean of its divisors is an integer number (116606181).

Almost surely, 2233212361 is an apocalyptic number.

It is an amenable number.

233212361 is a deficient number, since it is larger than the sum of its proper divisors (1).

233212361 is an equidigital number, since it uses as much as digits as its factorization.

233212361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 233212361 is about 15271.2920540470. The cubic root of 233212361 is about 615.5318386208.

Adding to 233212361 its reverse (163212332), we get a palindrome (396424693).

The spelling of 233212361 in words is "two hundred thirty-three million, two hundred twelve thousand, three hundred sixty-one".