Base | Representation |
---|---|
bin | 100101101001001110010100… |
… | …1100100110100100000001011 |
3 | 1121102101212200211111211100112 |
4 | 1023102130221210310200023 |
5 | 321400042210002000321 |
6 | 3132122551352224535 |
7 | 126513501021150026 |
oct | 11322345144644013 |
9 | 1542355624454315 |
10 | 331121201203211 |
11 | 96561792849311 |
12 | 3117961039b14b |
13 | 1129b797b1cc93 |
14 | 5baa4cccd61bd |
15 | 284335052ba5b |
hex | 12d272993480b |
331121201203211 has 8 divisors (see below), whose sum is σ = 345539697872544. Its totient is φ = 316704531425920.
The previous prime is 331121201203159. The next prime is 331121201203249. The reversal of 331121201203211 is 112302102121133.
It is a happy number.
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 331121201203211 - 238 = 330846323296267 is a prime.
It is a super-5 number, since 5×3311212012032115 (a number of 74 digits) contains 55555 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (331121201205211) 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, 456352616 + ... + 457077621.
It is an arithmetic number, because the mean of its divisors is an integer number (43192462234068).
Almost surely, 2331121201203211 is an apocalyptic number.
331121201203211 is a deficient number, since it is larger than the sum of its proper divisors (14418496669333).
331121201203211 is a wasteful number, since it uses less digits than its factorization.
331121201203211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 913446021.
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 331121201203211 its reverse (112302102121133), we get a palindrome (443423303324344).
The spelling of 331121201203211 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred one million, two hundred three thousand, two hundred eleven".
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