21310323343441 has 8 divisors (see below), whose sum is σ = 23254629912000. Its totient is φ = 19367184182640.

The previous prime is 21310323343403. The next prime is 21310323343447. The reversal of 21310323343441 is 14434332301312.

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

It is a cyclic number.

It is not a de Polignac number, because 21310323343441 - 2²³ = 21310314954833 is a prime.

It is a super-3 number, since 3×21310323343441³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21310323343397 and 21310323343406.

It is not an unprimeable number, because it can be changed into a prime (21310323343447) 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, 291813766 + ... + 291886783.

It is an arithmetic number, because the mean of its divisors is an integer number (2906828739000).

Almost surely, 2^{21310323343441} is an apocalyptic number.

It is an amenable number.

21310323343441 is a deficient number, since it is larger than the sum of its proper divisors (1944306568559).

21310323343441 is a wasteful number, since it uses less digits than its factorization.

21310323343441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583703879.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 21310323343441 its reverse (14434332301312), we get a palindrome (35744655644753).

The spelling of 21310323343441 in words is "twenty-one trillion, three hundred ten billion, three hundred twenty-three million, three hundred forty-three thousand, four hundred forty-one".