243334131344 has 40 divisors (see below), whose sum is σ = 501779413080. Its totient is φ = 113916837888.

The previous prime is 243334131331. The next prime is 243334131367. The reversal of 243334131344 is 443131433342.

It can be written as a sum of positive squares in 4 ways, for example, as 24833977744 + 218500153600 = 157588^2 + 467440^2 .

It is a super-2 number, since 2×243334131344² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265149 + ... + 2370140.

It is an arithmetic number, because the mean of its divisors is an integer number (12544485327).

Almost surely, 2^243334131344 is an apocalyptic number.

It is an amenable number.

243334131344 is an abundant number, since it is smaller than the sum of its proper divisors (258445281736).

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

243334131344 is a wasteful number, since it uses less digits than its factorization.

243334131344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635507 (or 4635501 counting only the distinct ones).

The product of its digits is 124416, while the sum is 35.

Adding to 243334131344 its reverse (443131433342), we get a palindrome (686465564686).

The spelling of 243334131344 in words is "two hundred forty-three billion, three hundred thirty-four million, one hundred thirty-one thousand, three hundred forty-four".