42331121343 has 32 divisors (see below), whose sum is σ = 71858995200. Its totient is φ = 24126013728.

The previous prime is 42331121279. The next prime is 42331121387. The reversal of 42331121343 is 34312113324.

It is a happy number.

42331121343 is a `hidden beast` number, since 4 + 2 + 3 + 311 + 2 + 1 + 343 = 666.

It is not a de Polignac number, because 42331121343 - 2⁶ = 42331121279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331121143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220008 + ... + 364781.

It is an arithmetic number, because the mean of its divisors is an integer number (2245593600).

Almost surely, 2^42331121343 is an apocalyptic number.

42331121343 is a deficient number, since it is larger than the sum of its proper divisors (29527873857).

42331121343 is a wasteful number, since it uses less digits than its factorization.

42331121343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585188 (or 585182 counting only the distinct ones).

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

Adding to 42331121343 its reverse (34312113324), we get a palindrome (76643234667).

The spelling of 42331121343 in words is "forty-two billion, three hundred thirty-one million, one hundred twenty-one thousand, three hundred forty-three".