21044310302 has 8 divisors (see below), whose sum is σ = 33423316416. Its totient is φ = 9903204832.

The previous prime is 21044310269. The next prime is 21044310311. The reversal of 21044310302 is 20301344012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309475118 + ... + 309475185.

It is an arithmetic number, because the mean of its divisors is an integer number (4177914552).

Almost surely, 2^21044310302 is an apocalyptic number.

21044310302 is a deficient number, since it is larger than the sum of its proper divisors (12379006114).

21044310302 is a wasteful number, since it uses less digits than its factorization.

21044310302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618950322.

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

Adding to 21044310302 its reverse (20301344012), we get a palindrome (41345654314).

The spelling of 21044310302 in words is "twenty-one billion, forty-four million, three hundred ten thousand, three hundred two".