243404331022 has 4 divisors (see below), whose sum is σ = 365106496536. Its totient is φ = 121702165510.

The previous prime is 243404331019. The next prime is 243404331091. The reversal of 243404331022 is 220133404342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220133404342 = 2 ⋅110066702171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60851082754 + ... + 60851082757.

It is an arithmetic number, because the mean of its divisors is an integer number (91276624134).

Almost surely, 2^243404331022 is an apocalyptic number.

243404331022 is a deficient number, since it is larger than the sum of its proper divisors (121702165514).

243404331022 is a wasteful number, since it uses less digits than its factorization.

243404331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121702165513.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 243404331022 its reverse (220133404342), we get a palindrome (463537735364).

The spelling of 243404331022 in words is "two hundred forty-three billion, four hundred four million, three hundred thirty-one thousand, twenty-two".