21344310002 has 16 divisors (see below), whose sum is σ = 32349203712. Its totient is φ = 10561345200.

The previous prime is 21344309989. The next prime is 21344310011. The reversal of 21344310002 is 20001344312.

It is a super-2 number, since 2×21344310002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408233 + ... + 457539.

It is an arithmetic number, because the mean of its divisors is an integer number (2021825232).

Almost surely, 2^21344310002 is an apocalyptic number.

21344310002 is a deficient number, since it is larger than the sum of its proper divisors (11004893710).

21344310002 is a wasteful number, since it uses less digits than its factorization.

21344310002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51553.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21344310002 its reverse (20001344312), we get a palindrome (41345654314).

The spelling of 21344310002 in words is "twenty-one billion, three hundred forty-four million, three hundred ten thousand, two".