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213143231332213 = 71317606312272409
BaseRepresentation
bin110000011101101001000110…
…100101101111111101110101
31000221200021221021011011001221
4300131221012211233331311
5210414114314210112323
62033152352042350341
762616042653323150
oct6035510645577565
91027607837134057
10213143231332213
1161a0659a4aa976
121baa4704abb3b1
1391c14220c8280
143a8c28a49ac97
151999527e8455d
hexc1da4696ff75

213143231332213 has 32 divisors (see below), whose sum is σ = 277766018449920. Its totient is φ = 158718063790080.

The previous prime is 213143231332177. The next prime is 213143231332217. The reversal of 213143231332213 is 312233132341312.

It is a cyclic number.

It is not a de Polignac number, because 213143231332213 - 237 = 213005792378741 is a prime.

It is a super-3 number, since 3×2131432313322133 (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213143231332217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92659953 + ... + 94932361.

It is an arithmetic number, because the mean of its divisors is an integer number (8680188076560).

Almost surely, 2213143231332213 is an apocalyptic number.

It is an amenable number.

213143231332213 is a deficient number, since it is larger than the sum of its proper divisors (64622787117707).

213143231332213 is a wasteful number, since it uses less digits than its factorization.

213143231332213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333077.

The product of its digits is 46656, while the sum is 34.

Adding to 213143231332213 its reverse (312233132341312), we get a palindrome (525376363673525).

The spelling of 213143231332213 in words is "two hundred thirteen trillion, one hundred forty-three billion, two hundred thirty-one million, three hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 7 13 17 91 119 221 1547 60631 424417 788203 1030727 2272409 5517421 7215089 13399451 15906863 29541317 38630953 93796157 206789219 270416671 502202389 3515416723 137778430079 964449010553 1791119591027 2342233311343 12537837137189 16395633179401 30449033047459 213143231332213