242340404231 has 4 divisors (see below), whose sum is σ = 242345833032. Its totient is φ = 242334975432.

The previous prime is 242340404219. The next prime is 242340404233. The reversal of 242340404231 is 132404043242.

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 242340404231 - 2²⁶ = 242273295367 is a prime.

It is a super-2 number, since 2×242340404231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242340404194 and 242340404203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242340404233) 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, 2646881 + ... + 2736906.

It is an arithmetic number, because the mean of its divisors is an integer number (60586458258).

Almost surely, 2^242340404231 is an apocalyptic number.

242340404231 is a deficient number, since it is larger than the sum of its proper divisors (5428801).

242340404231 is an equidigital number, since it uses as much as digits as its factorization.

242340404231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428800.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 242340404231 its reverse (132404043242), we get a palindrome (374744447473).

The spelling of 242340404231 in words is "two hundred forty-two billion, three hundred forty million, four hundred four thousand, two hundred thirty-one".