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201013121311231 = 1974891412690341
BaseRepresentation
bin101101101101001000000011…
…101100001110000111111111
3222100201200000001010011020111
4231231020003230032013333
5202321344333023424411
61551304053023130451
760224501351343325
oct5555100354160777
9870650001104214
10201013121311231
115905a205640609
121a665833743a27
1388215c0ac20b8
14378d130973d15
151838c2c71b721
hexb6d203b0e1ff

201013121311231 has 8 divisors (see below), whose sum is σ = 211621013231600. Its totient is φ = 190408054786560.

The previous prime is 201013121311213. The next prime is 201013121311309. The reversal of 201013121311231 is 132113121310102.

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 201013121311231 - 211 = 201013121309183 is a prime.

It is a super-2 number, since 2×2010131213112312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201013121341231) 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, 706202880 + ... + 706487461.

It is an arithmetic number, because the mean of its divisors is an integer number (26452626653950).

Almost surely, 2201013121311231 is an apocalyptic number.

201013121311231 is a deficient number, since it is larger than the sum of its proper divisors (10607891920369).

201013121311231 is a wasteful number, since it uses less digits than its factorization.

201013121311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412697849.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 201013121311231 its reverse (132113121310102), we get a palindrome (333126242621333).

The spelling of 201013121311231 in words is "two hundred one trillion, thirteen billion, one hundred twenty-one million, three hundred eleven thousand, two hundred thirty-one".

Divisors: 1 19 7489 142291 1412690341 26841116479 10579637963749 201013121311231