43112313243 has 6 divisors (see below), whose sum is σ = 62273341364. Its totient is φ = 28741542156.

The previous prime is 43112313221. The next prime is 43112313271. The reversal of 43112313243 is 34231321134.

It is a happy number.

43112313243 is a `hidden beast` number, since 4 + 311 + 23 + 1 + 324 + 3 = 666.

It is not a de Polignac number, because 43112313243 - 2¹⁴ = 43112296859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43112314243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2395128505 + ... + 2395128522.

Almost surely, 2^43112313243 is an apocalyptic number.

43112313243 is a deficient number, since it is larger than the sum of its proper divisors (19161028121).

43112313243 is a wasteful number, since it uses less digits than its factorization.

43112313243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790257033 (or 4790257030 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 43112313243 its reverse (34231321134), we get a palindrome (77343634377).

The spelling of 43112313243 in words is "forty-three billion, one hundred twelve million, three hundred thirteen thousand, two hundred forty-three".