242231135531442 has 8 divisors (see below), whose sum is σ = 484462271062896. Its totient is φ = 80743711843812.

The previous prime is 242231135531401. The next prime is 242231135531461. The reversal of 242231135531442 is 244135531132242.

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

242231135531442 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 242231135531394 and 242231135531403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20185927960948 + ... + 20185927960959.

It is an arithmetic number, because the mean of its divisors is an integer number (60557783882862).

Almost surely, 2^{242231135531442} is an apocalyptic number.

242231135531442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242231135531442 is a wasteful number, since it uses less digits than its factorization.

242231135531442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40371855921912.

The product of its digits is 691200, while the sum is 42.

Adding to 242231135531442 its reverse (244135531132242), we get a palindrome (486366666663684).

The spelling of 242231135531442 in words is "two hundred forty-two trillion, two hundred thirty-one billion, one hundred thirty-five million, five hundred thirty-one thousand, four hundred forty-two".