242000013 has 4 divisors (see below), whose sum is σ = 322666688. Its totient is φ = 161333340.

The previous prime is 241999991. The next prime is 242000023. The reversal of 242000013 is 310000242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 242000013 - 2⁶ = 241999949 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 (242000023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40333333 + ... + 40333338.

It is an arithmetic number, because the mean of its divisors is an integer number (80666672).

Almost surely, 2^242000013 is an apocalyptic number.

It is an amenable number.

242000013 is a deficient number, since it is larger than the sum of its proper divisors (80666675).

242000013 is an equidigital number, since it uses as much as digits as its factorization.

242000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80666674.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 242000013 is about 15556.3496039399. The cubic root of 242000013 is about 623.1679795956.

Adding to 242000013 its reverse (310000242), we get a palindrome (552000255).

The spelling of 242000013 in words is "two hundred forty-two million, thirteen", and thus it is an aban number.