243134343431342 has 48 divisors (see below), whose sum is σ = 403467784944000. Its totient is φ = 109801108731600.

The previous prime is 243134343431321. The next prime is 243134343431393.

243134343431342 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×243134343431342² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243134343431293 and 243134343431302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29624009 + ... + 36930347.

It is an arithmetic number, because the mean of its divisors is an integer number (8405578853000).

Almost surely, 2^{243134343431342} is an apocalyptic number.

243134343431342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243134343431342 is a deficient number, since it is larger than the sum of its proper divisors (160333441512658).

243134343431342 is a wasteful number, since it uses less digits than its factorization.

243134343431342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307253 (or 7307242 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 44.

The spelling of 243134343431342 in words is "two hundred forty-three trillion, one hundred thirty-four billion, three hundred forty-three million, four hundred thirty-one thousand, three hundred forty-two".