242540232331 has 8 divisors (see below), whose sum is σ = 243392127264. Its totient is φ = 241688883840.

The previous prime is 242540232287. The next prime is 242540232371. The reversal of 242540232331 is 133232045242.

242540232331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242540232331 - 2⁷ = 242540232203 is a prime.

It is a super-2 number, since 2×242540232331² (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 = 242540232293 and 242540232302.

It is not an unprimeable number, because it can be changed into a prime (242540232371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763026 + ... + 1033096.

It is an arithmetic number, because the mean of its divisors is an integer number (30424015908).

Almost surely, 2^242540232331 is an apocalyptic number.

242540232331 is a deficient number, since it is larger than the sum of its proper divisors (851894933).

242540232331 is a wasteful number, since it uses less digits than its factorization.

242540232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273221.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 242540232331 its reverse (133232045242), we get a palindrome (375772277573).

The spelling of 242540232331 in words is "two hundred forty-two billion, five hundred forty million, two hundred thirty-two thousand, three hundred thirty-one".