43103321331 has 24 divisors (see below), whose sum is σ = 66867139584. Its totient is φ = 24625676880.

The previous prime is 43103321293. The next prime is 43103321341. The reversal of 43103321331 is 13312330134.

It is a happy number.

It is not a de Polignac number, because 43103321331 - 2¹⁴ = 43103304947 is a prime.

It is a super-2 number, since 2×43103321331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43103321341) 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 23 ways as a sum of consecutive naturals, for example, 813846 + ... + 865188.

It is an arithmetic number, because the mean of its divisors is an integer number (2786130816).

Almost surely, 2^43103321331 is an apocalyptic number.

43103321331 is a deficient number, since it is larger than the sum of its proper divisors (23763818253).

43103321331 is a wasteful number, since it uses less digits than its factorization.

43103321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57071 (or 57064 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 43103321331 its reverse (13312330134), we get a palindrome (56415651465).

The spelling of 43103321331 in words is "forty-three billion, one hundred three million, three hundred twenty-one thousand, three hundred thirty-one".