242243311 has 8 divisors (see below), whose sum is σ = 247762944. Its totient is φ = 236739000.

The previous prime is 242243303. The next prime is 242243333. The reversal of 242243311 is 113342242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242243311 - 2³ = 242243303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242243011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31866 + ... + 38728.

It is an arithmetic number, because the mean of its divisors is an integer number (30970368).

Almost surely, 2^242243311 is an apocalyptic number.

242243311 is a deficient number, since it is larger than the sum of its proper divisors (5519633).

242243311 is an equidigital number, since it uses as much as digits as its factorization.

242243311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661.

The product of its digits is 1152, while the sum is 22.

The square root of 242243311 is about 15564.1675331513. The cubic root of 242243311 is about 623.3767464465.

Adding to 242243311 its reverse (113342242), we get a palindrome (355585553).

The spelling of 242243311 in words is "two hundred forty-two million, two hundred forty-three thousand, three hundred eleven".