2421131432 has 96 divisors (see below), whose sum is σ = 5104610280. Its totient is φ = 1072558080.

The previous prime is 2421131417. The next prime is 2421131443. The reversal of 2421131432 is 2341311242.

It can be written as a sum of positive squares in 4 ways, for example, as 2205805156 + 215326276 = 46966^2 + 14674^2 .

It is a super-2 number, since 2×2421131432² = 11723754822036741248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

Its product of digits (1152) is a multiple of the sum of its prime divisors (576).

It is a junction number, because it is equal to n+sod(n) for n = 2421131398 and 2421131407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5251682 + ... + 5252142.

Almost surely, 2^2421131432 is an apocalyptic number.

It is an amenable number.

2421131432 is an abundant number, since it is smaller than the sum of its proper divisors (2683478848).

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

2421131432 is a wasteful number, since it uses less digits than its factorization.

2421131432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 576 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 2421131432 is about 49204.9939741892. The cubic root of 2421131432 is about 1342.7838893710.

Adding to 2421131432 its reverse (2341311242), we get a palindrome (4762442674).

The spelling of 2421131432 in words is "two billion, four hundred twenty-one million, one hundred thirty-one thousand, four hundred thirty-two".