21313414003 has 16 divisors (see below), whose sum is σ = 24537758400. Its totient is φ = 18134125056.

The previous prime is 21313413943. The next prime is 21313414007. The reversal of 21313414003 is 30041431312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21313414003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21313414007) 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 15 ways as a sum of consecutive naturals, for example, 1822551 + ... + 1834207.

It is an arithmetic number, because the mean of its divisors is an integer number (1533609900).

Almost surely, 2^21313414003 is an apocalyptic number.

21313414003 is a deficient number, since it is larger than the sum of its proper divisors (3224344397).

21313414003 is a wasteful number, since it uses less digits than its factorization.

21313414003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13566.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21313414003 its reverse (30041431312), we get a palindrome (51354845315).

The spelling of 21313414003 in words is "twenty-one billion, three hundred thirteen million, four hundred fourteen thousand, three".