21232313321103 has 6 divisors (see below), whose sum is σ = 30668897019384. Its totient is φ = 14154875547396.

The previous prime is 21232313321077. The next prime is 21232313321111. The reversal of 21232313321103 is 30112331323212.

21232313321103 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 231 + 3 + 321 + 103 = 666.

It is not a de Polignac number, because 21232313321103 - 2²⁶ = 21232246212239 is a prime.

It is a super-2 number, since 2×21232313321103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232313301103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1179572962275 + ... + 1179572962292.

It is an arithmetic number, because the mean of its divisors is an integer number (5111482836564).

Almost surely, 2^{21232313321103} is an apocalyptic number.

21232313321103 is a deficient number, since it is larger than the sum of its proper divisors (9436583698281).

21232313321103 is a wasteful number, since it uses less digits than its factorization.

21232313321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359145924573 (or 2359145924570 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 21232313321103 its reverse (30112331323212), we get a palindrome (51344644644315).

The spelling of 21232313321103 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirteen million, three hundred twenty-one thousand, one hundred three".