242442311 has 4 divisors (see below), whose sum is σ = 243317832. Its totient is φ = 241566792.

The previous prime is 242442301. The next prime is 242442313. The reversal of 242442311 is 113244242.

242442311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242442311 - 2¹⁸ = 242180167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242442313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437345 + ... + 437898.

It is an arithmetic number, because the mean of its divisors is an integer number (60829458).

Almost surely, 2^242442311 is an apocalyptic number.

242442311 is a deficient number, since it is larger than the sum of its proper divisors (875521).

242442311 is an equidigital number, since it uses as much as digits as its factorization.

242442311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875520.

The product of its digits is 1536, while the sum is 23.

The square root of 242442311 is about 15570.5591100641. The cubic root of 242442311 is about 623.5473985875.

Adding to 242442311 its reverse (113244242), we get a palindrome (355686553).

The spelling of 242442311 in words is "two hundred forty-two million, four hundred forty-two thousand, three hundred eleven".