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131343201222 = 2321890533537
BaseRepresentation
bin111101001010010101…
…0100011001111000110
3110120000112101221022020
41322110222203033012
54122442324414342
6140201020344010
712326543534622
oct1722452431706
9416015357266
10131343201222
115077a8a4092
12215566a5006
13c50225745c
1464dda34182
15363ac390ec
hex1e94aa33c6

131343201222 has 8 divisors (see below), whose sum is σ = 262686402456. Its totient is φ = 43781067072.

The previous prime is 131343201221. The next prime is 131343201239. The reversal of 131343201222 is 222102343131.

It is a sphenic number, since it is the product of 3 distinct primes.

131343201222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 131343201192 and 131343201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131343201221) 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, 10945266763 + ... + 10945266774.

It is an arithmetic number, because the mean of its divisors is an integer number (32835800307).

Almost surely, 2131343201222 is an apocalyptic number.

131343201222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131343201222 is a wasteful number, since it uses less digits than its factorization.

131343201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21890533542.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131343201222 its reverse (222102343131), we get a palindrome (353445544353).

The spelling of 131343201222 in words is "one hundred thirty-one billion, three hundred forty-three million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 21890533537 43781067074 65671600611 131343201222