21310023034411 has 8 divisors (see below), whose sum is σ = 21765136264704. Its totient is φ = 20854980991080.

The previous prime is 21310023034403. The next prime is 21310023034459. The reversal of 21310023034411 is 11443032001312.

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 21310023034411 - 2³ = 21310023034403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21310023034711) 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, 17191425 + ... + 18389266.

It is an arithmetic number, because the mean of its divisors is an integer number (2720642033088).

Almost surely, 2^{21310023034411} is an apocalyptic number.

21310023034411 is a deficient number, since it is larger than the sum of its proper divisors (455113230293).

21310023034411 is a wasteful number, since it uses less digits than its factorization.

21310023034411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35593481.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21310023034411 its reverse (11443032001312), we get a palindrome (32753055035723).

The spelling of 21310023034411 in words is "twenty-one trillion, three hundred ten billion, twenty-three million, thirty-four thousand, four hundred eleven".