Search a number
-
+
11323231 is a prime number
BaseRepresentation
bin101011001100…
…011101011111
3210022021112221
4223030131133
510344320411
61042410211
7165150223
oct53143537
923267487
1011323231
116434347
123960967
132465c4a
14170a783
15eda071
hexacc75f

11323231 has 2 divisors, whose sum is σ = 11323232. Its totient is φ = 11323230.

The previous prime is 11323223. The next prime is 11323243. The reversal of 11323231 is 13232311.

It is a weak prime.

It is an emirp because it is prime and its reverse (13232311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11323231 - 23 = 11323223 is a prime.

It is a super-2 number, since 2×113232312 = 256431120558722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661615 + 5661616.

It is an arithmetic number, because the mean of its divisors is an integer number (5661616).

Almost surely, 211323231 is an apocalyptic number.

11323231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323231 is an equidigital number, since it uses as much as digits as its factorization.

11323231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 16.

The square root of 11323231 is about 3365.0008915303. Note that the first 3 decimals coincide. The cubic root of 11323231 is about 224.5553754501. Note that the first 3 decimals are identical.

Adding to 11323231 its reverse (13232311), we get a palindrome (24555542).

The spelling of 11323231 in words is "eleven million, three hundred twenty-three thousand, two hundred thirty-one".