242444131 has 8 divisors (see below), whose sum is σ = 246011904. Its totient is φ = 238900680.

The previous prime is 242444129. The next prime is 242444141. The reversal of 242444131 is 131444242.

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

It is a cyclic number.

It is not a de Polignac number, because 242444131 - 2¹ = 242444129 is a prime.

It is a super-2 number, since 2×242444131² = 117558313312690322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242444096 and 242444105.

It is not an unprimeable number, because it can be changed into a prime (242444141) 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, 14506 + ... + 26368.

It is an arithmetic number, because the mean of its divisors is an integer number (30751488).

Almost surely, 2^242444131 is an apocalyptic number.

242444131 is a deficient number, since it is larger than the sum of its proper divisors (3567773).

242444131 is a wasteful number, since it uses less digits than its factorization.

242444131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12161.

The product of its digits is 3072, while the sum is 25.

The square root of 242444131 is about 15570.6175535847. The cubic root of 242444131 is about 623.5489588946.

Adding to 242444131 its reverse (131444242), we get a palindrome (373888373).

The spelling of 242444131 in words is "two hundred forty-two million, four hundred forty-four thousand, one hundred thirty-one".