21230311341 has 8 divisors (see below), whose sum is σ = 28487382304. Its totient is φ = 14063390640.

The previous prime is 21230311327. The next prime is 21230311357. The reversal of 21230311341 is 14311303212.

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

It is not a de Polignac number, because 21230311341 - 2¹⁰ = 21230310317 is a prime.

It is a super-2 number, since 2×21230311341² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230311241) 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, 22537015 + ... + 22537956.

It is an arithmetic number, because the mean of its divisors is an integer number (3560922788).

Almost surely, 2^21230311341 is an apocalyptic number.

It is an amenable number.

21230311341 is a deficient number, since it is larger than the sum of its proper divisors (7257070963).

21230311341 is a wasteful number, since it uses less digits than its factorization.

21230311341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45075131.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21230311341 its reverse (14311303212), we get a palindrome (35541614553).

The spelling of 21230311341 in words is "twenty-one billion, two hundred thirty million, three hundred eleven thousand, three hundred forty-one".