21323313302 has 8 divisors (see below), whose sum is σ = 32013608016. Its totient is φ = 10652110632.

The previous prime is 21323313259. The next prime is 21323313313. The reversal of 21323313302 is 20331332312.

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, 4770218 + ... + 4774685.

It is an arithmetic number, because the mean of its divisors is an integer number (4001701002).

Almost surely, 2^21323313302 is an apocalyptic number.

21323313302 is a deficient number, since it is larger than the sum of its proper divisors (10690294714).

21323313302 is a wasteful number, since it uses less digits than its factorization.

21323313302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9546022.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21323313302 its reverse (20331332312), we get a palindrome (41654645614).

It can be divided in two parts, 21 and 323313302, that added together give a palindrome (323313323).

The spelling of 21323313302 in words is "twenty-one billion, three hundred twenty-three million, three hundred thirteen thousand, three hundred two".