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213313201303231 = 7118116598957381
BaseRepresentation
bin110000100000000111011001…
…100101101110111010111111
31000222021112122202122022011201
4300200013121211232322333
5210424410414013200411
62033402422025000331
762634240661252231
oct6040073145567277
91028245582568151
10213313201303231
1161a716910878a7
121bb1163b6230a7
13920446ba6a113
143a965b2158251
15199db74d4c3c1
hexc201d996eebf

213313201303231 has 8 divisors (see below), whose sum is σ = 217512737533728. Its totient is φ = 209146862988000.

The previous prime is 213313201303199. The next prime is 213313201303253. The reversal of 213313201303231 is 132303102313312.

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 213313201303231 - 25 = 213313201303199 is a prime.

It is a super-2 number, since 2×2133132013032312 (a number of 29 digits) contains 22 as substring.

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 213313201303231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213313201603231) 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, 8299465840 + ... + 8299491541.

It is an arithmetic number, because the mean of its divisors is an integer number (27189092191716).

Almost surely, 2213313201303231 is an apocalyptic number.

213313201303231 is a deficient number, since it is larger than the sum of its proper divisors (4199536230497).

213313201303231 is a wasteful number, since it uses less digits than its factorization.

213313201303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16598957633.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 213313201303231 its reverse (132303102313312), we get a palindrome (345616303616543).

The spelling of 213313201303231 in words is "two hundred thirteen trillion, three hundred thirteen billion, two hundred one million, three hundred three thousand, two hundred thirty-one".

Divisors: 1 71 181 12851 16598957381 1178525974051 3004411285961 213313201303231