242404131 has 8 divisors (see below), whose sum is σ = 331940944. Its totient is φ = 157235040.

The previous prime is 242404093. The next prime is 242404163. The reversal of 242404131 is 131404242.

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

It is not a de Polignac number, because 242404131 - 2⁹ = 242403619 is a prime.

It is a super-2 number, since 2×242404131² = 117519525451730322, 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 = 242404098 and 242404107.

It is not an unprimeable number, because it can be changed into a prime (242404171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091800 + ... + 1092021.

It is an arithmetic number, because the mean of its divisors is an integer number (41492618).

Almost surely, 2^242404131 is an apocalyptic number.

242404131 is a deficient number, since it is larger than the sum of its proper divisors (89536813).

242404131 is a wasteful number, since it uses less digits than its factorization.

242404131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183861.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 242404131 is about 15569.3330300305. Note that the first 3 decimals coincide. The cubic root of 242404131 is about 623.5146646292.

Adding to 242404131 its reverse (131404242), we get a palindrome (373808373).

The spelling of 242404131 in words is "two hundred forty-two million, four hundred four thousand, one hundred thirty-one".