243224021331342 has 64 divisors (see below), whose sum is σ = 545304984840000. Its totient is φ = 80353662971904.

The previous prime is 243224021331337. The next prime is 243224021331373. The reversal of 243224021331342 is 243133120422342.

243224021331342 is a `hidden beast` number, since 2 + 4 + 32 + 2 + 40 + 213 + 31 + 342 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 243224021331297 and 243224021331306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139657534 + ... + 141388382.

It is an arithmetic number, because the mean of its divisors is an integer number (8520390388125).

Almost surely, 2^{243224021331342} is an apocalyptic number.

243224021331342 is an abundant number, since it is smaller than the sum of its proper divisors (302080963508658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243224021331342 is a wasteful number, since it uses less digits than its factorization.

243224021331342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754002 (or 1753996 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 243224021331342 its reverse (243133120422342), we get a palindrome (486357141753684).

The spelling of 243224021331342 in words is "two hundred forty-three trillion, two hundred twenty-four billion, twenty-one million, three hundred thirty-one thousand, three hundred forty-two".