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133222031221231 = 1933720806189477
BaseRepresentation
bin11110010010101000101011…
…110110001110000111101111
3122110200220100102012020200001
4132102220223312032013233
5114430202204443034411
61151201204541045131
740026655061204341
oct3622505366160757
9573626312166601
10133222031221231
11394a3167595757
1212b373a48567a7
135944a25868024
1424c7da3123291
1510606264aadc1
hex792a2bd8e1ef

133222031221231 has 8 divisors (see below), whose sum is σ = 140649840871280. Its totient is φ = 125835833950848.

The previous prime is 133222031221219. The next prime is 133222031221283. The reversal of 133222031221231 is 132122130222331.

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

It is a de Polignac number, because none of the positive numbers 2k-133222031221231 is a prime.

It is a super-3 number, since 3×1332220312212313 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133222031221231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133222031227231) 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, 10403088336 + ... + 10403101141.

It is an arithmetic number, because the mean of its divisors is an integer number (17581230108910).

Almost surely, 2133222031221231 is an apocalyptic number.

133222031221231 is a deficient number, since it is larger than the sum of its proper divisors (7427809650049).

133222031221231 is a wasteful number, since it uses less digits than its factorization.

133222031221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20806189833.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 133222031221231 its reverse (132122130222331), we get a palindrome (265344161443562).

The spelling of 133222031221231 in words is "one hundred thirty-three trillion, two hundred twenty-two billion, thirty-one million, two hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 19 337 6403 20806189477 395317600063 7011685853749 133222031221231