Search a number
-
+
242131333 is a prime number
BaseRepresentation
bin11100110111010…
…10000110000101
3121212121112202011
432123222012011
5443441200313
640005414221
76000040153
oct1633520605
9555545664
10242131333
11114749944
126910a371
133b218ca2
142422c3d3
15163cc93d
hexe6ea185

242131333 has 2 divisors, whose sum is σ = 242131334. Its totient is φ = 242131332.

The previous prime is 242131283. The next prime is 242131343. The reversal of 242131333 is 333131242.

242131333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157803844 + 84327489 = 12562^2 + 9183^2 .

It is a cyclic number.

It is not a de Polignac number, because 242131333 - 221 = 240034181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242131343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121065666 + 121065667.

It is an arithmetic number, because the mean of its divisors is an integer number (121065667).

Almost surely, 2242131333 is an apocalyptic number.

It is an amenable number.

242131333 is a deficient number, since it is larger than the sum of its proper divisors (1).

242131333 is an equidigital number, since it uses as much as digits as its factorization.

242131333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 22.

The square root of 242131333 is about 15560.5698160447. The cubic root of 242131333 is about 623.2806787923.

Adding to 242131333 its reverse (333131242), we get a palindrome (575262575).

Subtracting 242131333 from its reverse (333131242), we obtain a palindrome (90999909).

The spelling of 242131333 in words is "two hundred forty-two million, one hundred thirty-one thousand, three hundred thirty-three".