2131432424 has 48 divisors (see below), whose sum is σ = 4401704160. Its totient is φ = 966864800.

The previous prime is 2131432423. The next prime is 2131432427. The reversal of 2131432424 is 4242341312.

It is a junction number, because it is equal to n+sod(n) for n = 2131432393 and 2131432402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131432423) 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 11 ways as a sum of consecutive naturals, for example, 543029 + ... + 546939.

It is an arithmetic number, because the mean of its divisors is an integer number (91702170).

Almost surely, 2^2131432424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131432424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2200852080).

2131432424 is an abundant number, since it is smaller than the sum of its proper divisors (2270271736).

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

2131432424 is a wasteful number, since it uses less digits than its factorization.

2131432424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502 (or 4487 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 2131432424 is about 46167.4390019633. The cubic root of 2131432424 is about 1286.9367100637.

Adding to 2131432424 its reverse (4242341312), we get a palindrome (6373773736).

The spelling of 2131432424 in words is "two billion, one hundred thirty-one million, four hundred thirty-two thousand, four hundred twenty-four".