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242131283 is a prime number
BaseRepresentation
bin11100110111010…
…10000101010011
3121212121112200022
432123222011103
5443441200113
640005414055
76000040052
oct1633520523
9555545608
10242131283
111147498a9
126910a32b
133b218c64
142422c399
15163cc908
hexe6ea153

242131283 has 2 divisors, whose sum is σ = 242131284. Its totient is φ = 242131282.

The previous prime is 242131277. The next prime is 242131333. The reversal of 242131283 is 382131242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242131283 - 28 = 242131027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (242131223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121065641 + 121065642.

It is an arithmetic number, because the mean of its divisors is an integer number (121065642).

Almost surely, 2242131283 is an apocalyptic number.

242131283 is a deficient number, since it is larger than the sum of its proper divisors (1).

242131283 is an equidigital number, since it uses as much as digits as its factorization.

242131283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 242131283 is about 15560.5682094196. The cubic root of 242131283 is about 623.2806358900.

The spelling of 242131283 in words is "two hundred forty-two million, one hundred thirty-one thousand, two hundred eighty-three".