242201332331 has 4 divisors (see below), whose sum is σ = 276801522672. Its totient is φ = 207601141992.

The previous prime is 242201332313. The next prime is 242201332333. The reversal of 242201332331 is 133233102242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242201332331 is a prime.

It is a super-2 number, since 2×242201332331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242201332331.

It is not an unprimeable number, because it can be changed into a prime (242201332333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17300095160 + ... + 17300095173.

It is an arithmetic number, because the mean of its divisors is an integer number (69200380668).

Almost surely, 2^242201332331 is an apocalyptic number.

242201332331 is a deficient number, since it is larger than the sum of its proper divisors (34600190341).

242201332331 is an equidigital number, since it uses as much as digits as its factorization.

242201332331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34600190340.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 242201332331 its reverse (133233102242), we get a palindrome (375434434573).

The spelling of 242201332331 in words is "two hundred forty-two billion, two hundred one million, three hundred thirty-two thousand, three hundred thirty-one".