21416003201331 has 24 divisors (see below), whose sum is σ = 32096399353200. Its totient is φ = 14270009684832.

The previous prime is 21416003201279. The next prime is 21416003201339. The reversal of 21416003201331 is 13310230061412.

It is a happy number.

21416003201331 is a `hidden beast` number, since 2 + 1 + 4 + 1 + 6 + 0 + 0 + 320 + 1 + 331 = 666.

It is not a de Polignac number, because 21416003201331 - 2¹³ = 21416003193139 is a prime.

It is a super-2 number, since 2×21416003201331² (a number of 27 digits) 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 = 21416003201295 and 21416003201304.

It is not an unprimeable number, because it can be changed into a prime (21416003201339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22135860 + ... + 23083073.

It is an arithmetic number, because the mean of its divisors is an integer number (1337349973050).

Almost surely, 2^{21416003201331} is an apocalyptic number.

21416003201331 is a deficient number, since it is larger than the sum of its proper divisors (10680396151869).

21416003201331 is an equidigital number, since it uses as much as digits as its factorization.

21416003201331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45220897 (or 45220885 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 21416003201331 its reverse (13310230061412), we get a palindrome (34726233262743).

The spelling of 21416003201331 in words is "twenty-one trillion, four hundred sixteen billion, three million, two hundred one thousand, three hundred thirty-one".