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131144131222 = 21313193824113
BaseRepresentation
bin111101000100011001…
…1001010001010010110
3110112111122211010121021
41322020303022022112
54122040344144342
6140125145511354
712321605502616
oct1721063121226
9415448733537
10131144131222
1150688496925
12214bbaa255a
13c49cc37560
1464c1414a46
153628515567
hex1e88cca296

131144131222 has 16 divisors (see below), whose sum is σ = 212008880160. Its totient is φ = 60482155392.

The previous prime is 131144131213. The next prime is 131144131259. The reversal of 131144131222 is 222131441131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877763 + ... + 1946350.

It is an arithmetic number, because the mean of its divisors is an integer number (13250555010).

Almost surely, 2131144131222 is an apocalyptic number.

131144131222 is a deficient number, since it is larger than the sum of its proper divisors (80864748938).

131144131222 is a wasteful number, since it uses less digits than its factorization.

131144131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825447.

The product of its digits is 1152, while the sum is 25.

Adding to 131144131222 its reverse (222131441131), we get a palindrome (353275572353).

The spelling of 131144131222 in words is "one hundred thirty-one billion, one hundred forty-four million, one hundred thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 13 26 1319 2638 17147 34294 3824113 7648226 49713469 99426938 5044005047 10088010094 65572065611 131144131222