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212000031343 = 1717985781293
BaseRepresentation
bin1100010101110000101…
…1111100001001101111
3202021012122110102211201
43011130023330021233
511433134002000333
6241220320230331
721213362351062
oct3053413741157
9667178412751
10212000031343
11819aa544381
123510646b3a7
1316cb7495039
14a391b0a8d9
1557abbee17d
hex315c2fc26f

212000031343 has 16 divisors (see below), whose sum is σ = 225990816480. Its totient is φ = 198180791296.

The previous prime is 212000031263. The next prime is 212000031401. The reversal of 212000031343 is 343130000212.

It is a cyclic number.

It is not a de Polignac number, because 212000031343 - 217 = 211999900271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212000031343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000031443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2567205 + ... + 2648497.

It is an arithmetic number, because the mean of its divisors is an integer number (14124426030).

Almost surely, 2212000031343 is an apocalyptic number.

212000031343 is a deficient number, since it is larger than the sum of its proper divisors (13990785137).

212000031343 is a wasteful number, since it uses less digits than its factorization.

212000031343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82346.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212000031343 its reverse (343130000212), we get a palindrome (555130031555).

The spelling of 212000031343 in words is "two hundred twelve billion, thirty-one thousand, three hundred forty-three".

Divisors: 1 17 179 857 3043 14569 81293 153403 1381981 2607851 14551447 69668101 247374599 1184357717 12470590079 212000031343