242440312241 has 4 divisors (see below), whose sum is σ = 246058824432. Its totient is φ = 238821800052.

The previous prime is 242440312207. The next prime is 242440312249. The reversal of 242440312241 is 142213044242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242440312241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242440312249) 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, 1809255995 + ... + 1809256128.

It is an arithmetic number, because the mean of its divisors is an integer number (61514706108).

Almost surely, 2^242440312241 is an apocalyptic number.

It is an amenable number.

242440312241 is a deficient number, since it is larger than the sum of its proper divisors (3618512191).

242440312241 is an equidigital number, since it uses as much as digits as its factorization.

242440312241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618512190.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 242440312241 its reverse (142213044242), we get a palindrome (384653356483).

The spelling of 242440312241 in words is "two hundred forty-two billion, four hundred forty million, three hundred twelve thousand, two hundred forty-one".