242421334331 has 16 divisors (see below), whose sum is σ = 267937203456. Its totient is φ = 217499100000.

The previous prime is 242421334321. The next prime is 242421334339. The reversal of 242421334331 is 133433124242.

It is a cyclic number.

It is not a de Polignac number, because 242421334331 - 2¹⁰ = 242421333307 is a prime.

It is a super-2 number, since 2×242421334331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242421334339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5285 + ... + 696326.

It is an arithmetic number, because the mean of its divisors is an integer number (16746075216).

Almost surely, 2^242421334331 is an apocalyptic number.

242421334331 is a deficient number, since it is larger than the sum of its proper divisors (25515869125).

242421334331 is a wasteful number, since it uses less digits than its factorization.

242421334331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702034.

The product of its digits is 41472, while the sum is 32.

Adding to 242421334331 its reverse (133433124242), we get a palindrome (375854458573).

The spelling of 242421334331 in words is "two hundred forty-two billion, four hundred twenty-one million, three hundred thirty-four thousand, three hundred thirty-one".