21312322303322 has 8 divisors (see below), whose sum is σ = 31970522438400. Its totient is φ = 10655481490524.

The previous prime is 21312322303313. The next prime is 21312322303367. The reversal of 21312322303322 is 22330322321312.

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

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, 339791372 + ... + 339854087.

It is an arithmetic number, because the mean of its divisors is an integer number (3996315304800).

Almost surely, 2^{21312322303322} is an apocalyptic number.

21312322303322 is a deficient number, since it is larger than the sum of its proper divisors (10658200135078).

21312322303322 is a wasteful number, since it uses less digits than its factorization.

21312322303322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679661140.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 21312322303322 its reverse (22330322321312), we get a palindrome (43642644624634).

The spelling of 21312322303322 in words is "twenty-one trillion, three hundred twelve billion, three hundred twenty-two million, three hundred three thousand, three hundred twenty-two".