242240241321 has 18 divisors (see below), whose sum is σ = 378888584958. Its totient is φ = 149070916800.

The previous prime is 242240241319. The next prime is 242240241343. The reversal of 242240241321 is 123142042242.

It is a happy number.

242240241321 is a `hidden beast` number, since 2 + 4 + 2 + 240 + 2 + 413 + 2 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 8951241321 + 233289000000 = 94611^2 + 483000^2 .

It is not a de Polignac number, because 242240241321 - 2¹ = 242240241319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242240241121) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 79630380 + ... + 79633421.

It is an arithmetic number, because the mean of its divisors is an integer number (21049365831).

Almost surely, 2^242240241321 is an apocalyptic number.

It is an amenable number.

242240241321 is a deficient number, since it is larger than the sum of its proper divisors (136648343637).

242240241321 is a wasteful number, since it uses less digits than its factorization.

242240241321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159263833 (or 159263817 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 242240241321 its reverse (123142042242), we get a palindrome (365382283563).

The spelling of 242240241321 in words is "two hundred forty-two billion, two hundred forty million, two hundred forty-one thousand, three hundred twenty-one".