242230013 has 4 divisors (see below), whose sum is σ = 242277948. Its totient is φ = 242182080.

The previous prime is 242230003. The next prime is 242230019. The reversal of 242230013 is 310032242.

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 128210329 + 114019684 = 11323^2 + 10678^2 .

It is a cyclic number.

It is not a de Polignac number, because 242230013 - 2¹⁰ = 242228989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242229973 and 242230000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242230019) 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, 15356 + ... + 26837.

It is an arithmetic number, because the mean of its divisors is an integer number (60569487).

Almost surely, 2^242230013 is an apocalyptic number.

It is an amenable number.

242230013 is a deficient number, since it is larger than the sum of its proper divisors (47935).

242230013 is an equidigital number, since it uses as much as digits as its factorization.

242230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47934.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 242230013 is about 15563.7403280831. The cubic root of 242230013 is about 623.3653394364.

Adding to 242230013 its reverse (310032242), we get a palindrome (552262255).

The spelling of 242230013 in words is "two hundred forty-two million, two hundred thirty thousand, thirteen".