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213032200312231 = 285177470358043
BaseRepresentation
bin110000011100000001101100…
…101000000001010110100111
31000221021200100022200221011121
4300130001230220001112213
5210410304421234442411
62033025350342314411
762605032342244426
oct6034015450012647
91027250308627147
10213032200312231
11619734a337a233
121ba87098a28a07
1391b3b0911cb91
143a86b563b32bd
1519966ca5ce571
hexc1c06ca015a7

213032200312231 has 4 divisors (see below), whose sum is σ = 213039670698792. Its totient is φ = 213024729925672.

The previous prime is 213032200312207. The next prime is 213032200312247. The reversal of 213032200312231 is 132213002230312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213032200312231 - 29 = 213032200311719 is a prime.

It is a super-2 number, since 2×2130322003122312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213032200312196 and 213032200312205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213032200372231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3735150505 + ... + 3735207538.

It is an arithmetic number, because the mean of its divisors is an integer number (53259917674698).

Almost surely, 2213032200312231 is an apocalyptic number.

213032200312231 is a deficient number, since it is larger than the sum of its proper divisors (7470386561).

213032200312231 is an equidigital number, since it uses as much as digits as its factorization.

213032200312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7470386560.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213032200312231 its reverse (132213002230312), we get a palindrome (345245202542543).

The spelling of 213032200312231 in words is "two hundred thirteen trillion, thirty-two billion, two hundred million, three hundred twelve thousand, two hundred thirty-one".

Divisors: 1 28517 7470358043 213032200312231