242315203 has 4 divisors (see below), whose sum is σ = 260954848. Its totient is φ = 223675560.

The previous prime is 242315201. The next prime is 242315209. The reversal of 242315203 is 302513242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302513242 = 2 ⋅151256621.

It is a cyclic number.

It is not a de Polignac number, because 242315203 - 2¹ = 242315201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242315201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9319803 + ... + 9319828.

It is an arithmetic number, because the mean of its divisors is an integer number (65238712).

Almost surely, 2^242315203 is an apocalyptic number.

242315203 is a deficient number, since it is larger than the sum of its proper divisors (18639645).

242315203 is a wasteful number, since it uses less digits than its factorization.

242315203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18639644.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 242315203 is about 15566.4768974871. The cubic root of 242315203 is about 623.4384080987.

Adding to 242315203 its reverse (302513242), we get a palindrome (544828445).

The spelling of 242315203 in words is "two hundred forty-two million, three hundred fifteen thousand, two hundred three".