243133224430 has 32 divisors (see below), whose sum is σ = 440277120000. Its totient is φ = 96667696032.

The previous prime is 243133224413. The next prime is 243133224449. The reversal of 243133224430 is 34422331342.

It is a happy number.

It is a super-2 number, since 2×243133224430² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243133224392 and 243133224401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4237071 + ... + 4294069.

It is an arithmetic number, because the mean of its divisors is an integer number (13758660000).

Almost surely, 2^243133224430 is an apocalyptic number.

243133224430 is a deficient number, since it is larger than the sum of its proper divisors (197143895570).

243133224430 is a wasteful number, since it uses less digits than its factorization.

243133224430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59568.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 243133224430 its reverse (34422331342), we get a palindrome (277555555772).

The spelling of 243133224430 in words is "two hundred forty-three billion, one hundred thirty-three million, two hundred twenty-four thousand, four hundred thirty".