242343500213 has 4 divisors (see below), whose sum is σ = 243744329868. Its totient is φ = 240942670560.

The previous prime is 242343500207. The next prime is 242343500219. The reversal of 242343500213 is 312005343242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312005343242 = 2 ⋅156002671621.

It is an interprime number because it is at equal distance from previous prime (242343500207) and next prime (242343500219).

It can be written as a sum of positive squares in 2 ways, for example, as 221127538564 + 21215961649 = 470242^2 + 145657^2 .

It is a cyclic number.

It is not a de Polignac number, because 242343500213 - 2³⁴ = 225163631029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242343500219) 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, 700414568 + ... + 700414913.

It is an arithmetic number, because the mean of its divisors is an integer number (60936082467).

Almost surely, 2^242343500213 is an apocalyptic number.

It is an amenable number.

242343500213 is a deficient number, since it is larger than the sum of its proper divisors (1400829655).

242343500213 is a wasteful number, since it uses less digits than its factorization.

242343500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400829654.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 242343500213 its reverse (312005343242), we get a palindrome (554348843455).

The spelling of 242343500213 in words is "two hundred forty-two billion, three hundred forty-three million, five hundred thousand, two hundred thirteen".