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23331321102121 = 353128951275713
BaseRepresentation
bin1010100111000001111110…
…00110110011111100101001
310001121110012212211122122021
411103200333012303330221
511024230021200231441
6121342132210424441
74625426613130024
oct523407706637451
9101543185748567
1023331321102121
11748583757467a
122749924292121
131003198920556
145a9355d561bb
152a6d7b8703d1
hex15383f1b3f29

23331321102121 has 8 divisors (see below), whose sum is σ = 23415567555240. Its totient is φ = 23247177203712.

The previous prime is 23331321102091. The next prime is 23331321102181. The reversal of 23331321102121 is 12120112313332.

It can be written as a sum of positive squares in 4 ways, for example, as 13328807946496 + 10002513155625 = 3650864^2 + 3162675^2 .

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 23331321102121 - 29 = 23331321101609 is a prime.

It is a super-2 number, since 2×233313211021212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23331321102181) 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, 25182840 + ... + 26092873.

It is an arithmetic number, because the mean of its divisors is an integer number (2926945944405).

Almost surely, 223331321102121 is an apocalyptic number.

It is an amenable number.

23331321102121 is a deficient number, since it is larger than the sum of its proper divisors (84246453119).

23331321102121 is a wasteful number, since it uses less digits than its factorization.

23331321102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51277355.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23331321102121 its reverse (12120112313332), we get a palindrome (35451433415453).

The spelling of 23331321102121 in words is "twenty-three trillion, three hundred thirty-one billion, three hundred twenty-one million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 353 1289 455017 51275713 18100326689 66094394057 23331321102121