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131032313221303 = 132775339131487
BaseRepresentation
bin11101110010110001010110…
…011110111101000010110111
3122011221120022012110102201001
4131302301112132331002313
5114133313134141040203
61142403225204544131
736412525605255004
oct3562612636750267
9564846265412631
10131032313221303
113882954589859a
1212842b346b2047
1358163a9239b00
14244ddd7d608ab
1510236b7a6c91d
hex772c567bd0b7

131032313221303 has 6 divisors (see below), whose sum is σ = 141887061062304. Its totient is φ = 120952904511816.

The previous prime is 131032313221289. The next prime is 131032313221307. The reversal of 131032313221303 is 303122313230131.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-131032313221303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131032313221307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387669565575 + ... + 387669565912.

It is an arithmetic number, because the mean of its divisors is an integer number (23647843510384).

Almost surely, 2131032313221303 is an apocalyptic number.

131032313221303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131032313221303 is a deficient number, since it is larger than the sum of its proper divisors (10854747841001).

131032313221303 is an equidigital number, since it uses as much as digits as its factorization.

131032313221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775339131513 (or 775339131500 counting only the distinct ones).

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

Adding to 131032313221303 its reverse (303122313230131), we get a palindrome (434154626451434).

The spelling of 131032313221303 in words is "one hundred thirty-one trillion, thirty-two billion, three hundred thirteen million, two hundred twenty-one thousand, three hundred three".

Divisors: 1 13 169 775339131487 10079408709331 131032313221303