242200205131 has 4 divisors (see below), whose sum is σ = 242778249000. Its totient is φ = 241622161264.

The previous prime is 242200205089. The next prime is 242200205183. The reversal of 242200205131 is 131502002242.

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 242200205131 - 2²⁹ = 241663334219 is a prime.

It is a super-2 number, since 2×242200205131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242200205831) 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, 289021306 + ... + 289022143.

It is an arithmetic number, because the mean of its divisors is an integer number (60694562250).

Almost surely, 2^242200205131 is an apocalyptic number.

242200205131 is a deficient number, since it is larger than the sum of its proper divisors (578043869).

242200205131 is an equidigital number, since it uses as much as digits as its factorization.

242200205131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578043868.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 242200205131 its reverse (131502002242), we get a palindrome (373702207373).

The spelling of 242200205131 in words is "two hundred forty-two billion, two hundred million, two hundred five thousand, one hundred thirty-one".