242133355313 has 4 divisors (see below), whose sum is σ = 248039046948. Its totient is φ = 236227663680.

The previous prime is 242133355297. The next prime is 242133355349. The reversal of 242133355313 is 313553331242.

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 51987648064 + 190145707249 = 228008^2 + 436057^2 .

It is a cyclic number.

It is not a de Polignac number, because 242133355313 - 2⁴ = 242133355297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242133355913) 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, 2952845756 + ... + 2952845837.

It is an arithmetic number, because the mean of its divisors is an integer number (62009761737).

Almost surely, 2^242133355313 is an apocalyptic number.

It is an amenable number.

242133355313 is a deficient number, since it is larger than the sum of its proper divisors (5905691635).

242133355313 is an equidigital number, since it uses as much as digits as its factorization.

242133355313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905691634.

The product of its digits is 97200, while the sum is 35.

Adding to 242133355313 its reverse (313553331242), we get a palindrome (555686686555).

The spelling of 242133355313 in words is "two hundred forty-two billion, one hundred thirty-three million, three hundred fifty-five thousand, three hundred thirteen".