242315011 has 4 divisors (see below), whose sum is σ = 243177624. Its totient is φ = 241452400.

The previous prime is 242314987. The next prime is 242315057. The reversal of 242315011 is 110513242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242315011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242315011.

It is not an unprimeable number, because it can be changed into a prime (242355011) 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, 430885 + ... + 431446.

It is an arithmetic number, because the mean of its divisors is an integer number (60794406).

Almost surely, 2^242315011 is an apocalyptic number.

242315011 is a deficient number, since it is larger than the sum of its proper divisors (862613).

242315011 is an equidigital number, since it uses as much as digits as its factorization.

242315011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862612.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 242315011 is about 15566.4707303872. The cubic root of 242315011 is about 623.4382434369.

Adding to 242315011 its reverse (110513242), we get a palindrome (352828253).

The spelling of 242315011 in words is "two hundred forty-two million, three hundred fifteen thousand, eleven".