4243522133231 has 4 divisors (see below), whose sum is σ = 4243527395832. Its totient is φ = 4243516870632.

The previous prime is 4243522133183. The next prime is 4243522133269. The reversal of 4243522133231 is 1323312253424.

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 4243522133231 - 2³⁴ = 4226342264047 is a prime.

It is a super-2 number, since 2×4243522133231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4243522133191 and 4243522133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243522138231) 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, 1140056 + ... + 3128381.

It is an arithmetic number, because the mean of its divisors is an integer number (1060881848958).

Almost surely, 2^{4243522133231} is an apocalyptic number.

4243522133231 is a deficient number, since it is larger than the sum of its proper divisors (5262601).

4243522133231 is an equidigital number, since it uses as much as digits as its factorization.

4243522133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262600.

The product of its digits is 103680, while the sum is 35.

Adding to 4243522133231 its reverse (1323312253424), we get a palindrome (5566834386655).

The spelling of 4243522133231 in words is "four trillion, two hundred forty-three billion, five hundred twenty-two million, one hundred thirty-three thousand, two hundred thirty-one".