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131320230232 = 2335141467119
BaseRepresentation
bin111101001001101001…
…0111011000101011000
3110112221221011220000211
41322103102323011120
54122420434331412
6140154440140504
712326144353042
oct1722322730530
9415857156024
10131320230232
11507689346a4
122154aa67734
13c4ca573959
1464da974a92
153638becca7
hex1e934bb158

131320230232 has 16 divisors (see below), whose sum is σ = 246232965600. Its totient is φ = 65658106080.

The previous prime is 131320230227. The next prime is 131320230233. The reversal of 131320230232 is 232032023131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131320230233) 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, 47569 + ... + 514687.

It is an arithmetic number, because the mean of its divisors is an integer number (15389560350).

Almost surely, 2131320230232 is an apocalyptic number.

It is an amenable number.

131320230232 is a deficient number, since it is larger than the sum of its proper divisors (114912735368).

131320230232 is a wasteful number, since it uses less digits than its factorization.

131320230232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502266 (or 502262 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 131320230232 its reverse (232032023131), we get a palindrome (363352253363).

The spelling of 131320230232 in words is "one hundred thirty-one billion, three hundred twenty million, two hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 35141 70282 140564 281128 467119 934238 1868476 3736952 16415028779 32830057558 65660115116 131320230232