2443423131 has 64 divisors (see below), whose sum is σ = 3865128960. Its totient is φ = 1522851840.

The previous prime is 2443423121. The next prime is 2443423183. The reversal of 2443423131 is 1313243442.

2443423131 is a `hidden beast` number, since 2 + 4 + 4 + 342 + 313 + 1 = 666.

It is not a de Polignac number, because 2443423131 - 2³⁰ = 1369681307 is a prime.

It is a super-2 number, since 2×2443423131² = 11940633194211686322, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2443423095 and 2443423104.

It is not an unprimeable number, because it can be changed into a prime (2443423121) 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 63 ways as a sum of consecutive naturals, for example, 7958880 + ... + 7959186.

It is an arithmetic number, because the mean of its divisors is an integer number (60392640).

Almost surely, 2^2443423131 is an apocalyptic number.

2443423131 is a deficient number, since it is larger than the sum of its proper divisors (1421705829).

2443423131 is a wasteful number, since it uses less digits than its factorization.

2443423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 635 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2443423131 is about 49430.9936274803. The cubic root of 2443423131 is about 1346.8923728869.

Adding to 2443423131 its reverse (1313243442), we get a palindrome (3756666573).

The spelling of 2443423131 in words is "two billion, four hundred forty-three million, four hundred twenty-three thousand, one hundred thirty-one".