242308211 has 4 divisors (see below), whose sum is σ = 244158024. Its totient is φ = 240458400.

The previous prime is 242308207. The next prime is 242308217. The reversal of 242308211 is 112803242.

It is a happy number.

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 242308211 - 2² = 242308207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242308217) 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, 924710 + ... + 924971.

It is an arithmetic number, because the mean of its divisors is an integer number (61039506).

Almost surely, 2^242308211 is an apocalyptic number.

242308211 is a deficient number, since it is larger than the sum of its proper divisors (1849813).

242308211 is a wasteful number, since it uses less digits than its factorization.

242308211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849812.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 242308211 is about 15566.2523106880. The cubic root of 242308211 is about 623.4324116071.

The spelling of 242308211 in words is "two hundred forty-two million, three hundred eight thousand, two hundred eleven".