21044313302 has 16 divisors (see below), whose sum is σ = 31855937472. Its totient is φ = 10426107720.

The previous prime is 21044313299. The next prime is 21044313307. The reversal of 21044313302 is 20331344012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21044313307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14048 + ... + 205635.

It is an arithmetic number, because the mean of its divisors is an integer number (1990996092).

Almost surely, 2^21044313302 is an apocalyptic number.

21044313302 is a deficient number, since it is larger than the sum of its proper divisors (10811624170).

21044313302 is a wasteful number, since it uses less digits than its factorization.

21044313302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220123.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21044313302 its reverse (20331344012), we get a palindrome (41375657314).

The spelling of 21044313302 in words is "twenty-one billion, forty-four million, three hundred thirteen thousand, three hundred two".