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131344425031434 = 2397872236715797
BaseRepresentation
bin11101110111010100000001…
…110011000001011100001010
3122020001101220210220011110120
4131313110001303001130022
5114203421340302001214
61143202443524124110
736444215203005216
oct3567240163013412
9566041823804416
10131344425031434
113893994887402a
121289351a236636
13583995941a474
1424611658a7946
15102b8836d5ea9
hex777501cc170a

131344425031434 has 16 divisors (see below), whose sum is σ = 262715690769888. Its totient is φ = 43777001559312.

The previous prime is 131344425031433. The next prime is 131344425031447. The reversal of 131344425031434 is 434130524443131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131344425031433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118299177 + ... + 1118416620.

It is an arithmetic number, because the mean of its divisors is an integer number (16419730673118).

Almost surely, 2131344425031434 is an apocalyptic number.

131344425031434 is an abundant number, since it is smaller than the sum of its proper divisors (131371265738454).

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

131344425031434 is a wasteful number, since it uses less digits than its factorization.

131344425031434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236725589.

The product of its (nonzero) digits is 829440, while the sum is 42.

Adding to 131344425031434 its reverse (434130524443131), we get a palindrome (565474949474565).

The spelling of 131344425031434 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred twenty-five million, thirty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9787 19574 29361 58722 2236715797 4473431594 6710147391 13420294782 21890737505239 43781475010478 65672212515717 131344425031434