21200031410 has 16 divisors (see below), whose sum is σ = 38416167000. Its totient is φ = 8423099136.

The previous prime is 21200031403. The next prime is 21200031421. The reversal of 21200031410 is 1413000212.

It can be written as a sum of positive squares in 4 ways, for example, as 19432081201 + 1767950209 = 139399^2 + 42047^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7112615 + ... + 7115594.

Almost surely, 2^21200031410 is an apocalyptic number.

21200031410 is a deficient number, since it is larger than the sum of its proper divisors (17216135590).

21200031410 is a wasteful number, since it uses less digits than its factorization.

21200031410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14228365.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21200031410 its reverse (1413000212), we get a palindrome (22613031622).

The spelling of 21200031410 in words is "twenty-one billion, two hundred million, thirty-one thousand, four hundred ten".