21413013303 has 32 divisors (see below), whose sum is σ = 31409199360. Its totient is φ = 12868450560.

The previous prime is 21413013283. The next prime is 21413013331. The reversal of 21413013303 is 30331031412.

It is not a de Polignac number, because 21413013303 - 2⁹ = 21413012791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21413013303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413013343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1990443 + ... + 2001171.

It is an arithmetic number, because the mean of its divisors is an integer number (981537480).

Almost surely, 2^21413013303 is an apocalyptic number.

21413013303 is a deficient number, since it is larger than the sum of its proper divisors (9996186057).

21413013303 is a wasteful number, since it uses less digits than its factorization.

21413013303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11247.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21413013303 its reverse (30331031412), we get a palindrome (51744044715).

The spelling of 21413013303 in words is "twenty-one billion, four hundred thirteen million, thirteen thousand, three hundred three".