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131201421004334 = 21399330114205133
BaseRepresentation
bin11101110101001110110110…
…000101111100111000101110
3122012112201210121120220020102
4131311032312011330320232
5114144101002234114314
61143013033431351102
736430663343561342
oct3565166605747056
9565481717526212
10131201421004334
113889423481996a
121286b86a522492
135829319393c55
14245827b305622
151027cb3dc75de
hex7753b617ce2e

131201421004334 has 16 divisors (see below), whose sum is σ = 197002480365600. Its totient is φ = 65533955968800.

The previous prime is 131201421004331. The next prime is 131201421004369. The reversal of 131201421004334 is 433400124102131.

It is a junction number, because it is equal to n+sod(n) for n = 131201421004297 and 131201421004306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201421004331) 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, 2133632 + ... + 16338764.

It is an arithmetic number, because the mean of its divisors is an integer number (12312655022850).

Almost surely, 2131201421004334 is an apocalyptic number.

131201421004334 is a deficient number, since it is larger than the sum of its proper divisors (65801059361266).

131201421004334 is a wasteful number, since it uses less digits than its factorization.

131201421004334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14209835.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 131201421004334 its reverse (433400124102131), we get a palindrome (564601545106465).

The spelling of 131201421004334 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty-one million, four thousand, three hundred thirty-four".

Divisors: 1 2 1399 2798 3301 6602 4618099 9236198 14205133 28410266 19872981067 39745962134 46891144033 93782288066 65600710502167 131201421004334