21410131432 has 32 divisors (see below), whose sum is σ = 43307411400. Its totient is φ = 9885251584.

The previous prime is 21410131411. The next prime is 21410131433. The reversal of 21410131432 is 23413101412.

It can be written as a sum of positive squares in 4 ways, for example, as 20211171556 + 1198959876 = 142166^2 + 34626^2 .

It is not an unprimeable number, because it can be changed into a prime (21410131433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1477957 + ... + 1492372.

Almost surely, 2^21410131432 is an apocalyptic number.

It is an amenable number.

21410131432 is an abundant number, since it is smaller than the sum of its proper divisors (21897279968).

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

21410131432 is a wasteful number, since it uses less digits than its factorization.

21410131432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970405 (or 2970401 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21410131432 its reverse (23413101412), we get a palindrome (44823232844).

The spelling of 21410131432 in words is "twenty-one billion, four hundred ten million, one hundred thirty-one thousand, four hundred thirty-two".