242430324133 has 4 divisors (see below), whose sum is σ = 242455458700. Its totient is φ = 242405189568.

The previous prime is 242430324109. The next prime is 242430324137. The reversal of 242430324133 is 331423034242.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 128495722369 + 113934601764 = 358463^2 + 337542^2 .

It is a cyclic number.

It is not a de Polignac number, because 242430324133 - 2²¹ = 242428226981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242430324095 and 242430324104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242430324137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12552810 + ... + 12572107.

It is an arithmetic number, because the mean of its divisors is an integer number (60613864675).

Almost surely, 2^242430324133 is an apocalyptic number.

It is an amenable number.

242430324133 is a deficient number, since it is larger than the sum of its proper divisors (25134567).

242430324133 is an equidigital number, since it uses as much as digits as its factorization.

242430324133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25134566.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 242430324133 its reverse (331423034242), we get a palindrome (573853358375).

The spelling of 242430324133 in words is "two hundred forty-two billion, four hundred thirty million, three hundred twenty-four thousand, one hundred thirty-three".