21023302231311 has 8 divisors (see below), whose sum is σ = 28788666118704. Its totient is φ = 13636736582400.

The previous prime is 21023302231301. The next prime is 21023302231331. The reversal of 21023302231311 is 11313220332012.

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

It is not a de Polignac number, because 21023302231311 - 2⁶ = 21023302231247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023302231301) 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, 94699559490 + ... + 94699559711.

It is an arithmetic number, because the mean of its divisors is an integer number (3598583264838).

Almost surely, 2^{21023302231311} is an apocalyptic number.

21023302231311 is a deficient number, since it is larger than the sum of its proper divisors (7765363887393).

21023302231311 is a wasteful number, since it uses less digits than its factorization.

21023302231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189399119241.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21023302231311 its reverse (11313220332012), we get a palindrome (32336522563323).

The spelling of 21023302231311 in words is "twenty-one trillion, twenty-three billion, three hundred two million, two hundred thirty-one thousand, three hundred eleven".