2231243242205 has 8 divisors (see below), whose sum is σ = 2769819197400. Its totient is φ = 1723443055936.

The previous prime is 2231243242153. The next prime is 2231243242219. The reversal of 2231243242205 is 5022423421322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2758560484 + 2228484681721 = 52522^2 + 1492811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231243242205 - 2³⁶ = 2162523765469 is a prime.

It is a super-3 number, since 3×2231243242205³ (a number of 38 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7693942070 + ... + 7693942359.

It is an arithmetic number, because the mean of its divisors is an integer number (346227399675).

Almost surely, 2^{2231243242205} is an apocalyptic number.

It is an amenable number.

2231243242205 is a deficient number, since it is larger than the sum of its proper divisors (538575955195).

2231243242205 is a wasteful number, since it uses less digits than its factorization.

2231243242205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15387884463.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 2231243242205 its reverse (5022423421322), we get a palindrome (7253666663527).

The spelling of 2231243242205 in words is "two trillion, two hundred thirty-one billion, two hundred forty-three million, two hundred forty-two thousand, two hundred five".