242830711 has 4 divisors (see below), whose sum is σ = 253388592. Its totient is φ = 232272832.

The previous prime is 242830699. The next prime is 242830727. The reversal of 242830711 is 117038242.

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

It is a cyclic number.

It is not a de Polignac number, because 242830711 - 2⁹ = 242830199 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 242830711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242830751) 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, 5278906 + ... + 5278951.

It is an arithmetic number, because the mean of its divisors is an integer number (63347148).

Almost surely, 2^242830711 is an apocalyptic number.

242830711 is a deficient number, since it is larger than the sum of its proper divisors (10557881).

242830711 is a wasteful number, since it uses less digits than its factorization.

242830711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557880.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 242830711 is about 15583.0263748734. The cubic root of 242830711 is about 623.8802016007.

Adding to 242830711 its reverse (117038242), we get a palindrome (359868953).

The spelling of 242830711 in words is "two hundred forty-two million, eight hundred thirty thousand, seven hundred eleven".