242430311421 has 16 divisors (see below), whose sum is σ = 359169592320. Its totient is φ = 161614098720.

The previous prime is 242430311393. The next prime is 242430311441. The reversal of 242430311421 is 124113034242.

242430311421 is a `hidden beast` number, since 242 + 4 + 303 + 114 + 2 + 1 = 666.

It is not a de Polignac number, because 242430311421 - 2⁹ = 242430310909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242430311441) 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, 625636 + ... + 936098.

It is an arithmetic number, because the mean of its divisors is an integer number (22448099520).

Almost surely, 2^242430311421 is an apocalyptic number.

It is an amenable number.

242430311421 is a deficient number, since it is larger than the sum of its proper divisors (116739280899).

242430311421 is a wasteful number, since it uses less digits than its factorization.

242430311421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339393 (or 339387 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 242430311421 its reverse (124113034242), we get a palindrome (366543345663).

The spelling of 242430311421 in words is "two hundred forty-two billion, four hundred thirty million, three hundred eleven thousand, four hundred twenty-one".