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431131004344412 = 222311725939964579
BaseRepresentation
bin110001000000111001000001…
…0010111011001100001011100
32002112111201110222011112020222
41202001302002113121201130
5423002122244103010122
64124534503230300512
7156545121124542011
oct14201620227314134
92075451428145228
10431131004344412
1111540a6a5432579
12404300b1057738
131567462cc28a98
147866bcda65708
1534c9a90770b42
hex1881c825d985c

431131004344412 has 24 divisors (see below), whose sum is σ = 787289437334400. Its totient is φ = 206191325433456.

The previous prime is 431131004344367. The next prime is 431131004344429. The reversal of 431131004344412 is 214443400131134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9194462 + ... + 30770117.

It is an arithmetic number, because the mean of its divisors is an integer number (32803726555600).

Almost surely, 2431131004344412 is an apocalyptic number.

It is an amenable number.

431131004344412 is a deficient number, since it is larger than the sum of its proper divisors (356158432989988).

431131004344412 is a wasteful number, since it uses less digits than its factorization.

431131004344412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40081865 (or 40081863 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 431131004344412 its reverse (214443400131134), we get a palindrome (645574404475546).

The spelling of 431131004344412 in words is "four hundred thirty-one trillion, one hundred thirty-one billion, four million, three hundred forty-four thousand, four hundred twelve".

Divisors: 1 2 4 23 46 92 117259 234518 469036 2696957 5393914 10787828 39964579 79929158 159858316 919185317 1838370634 3676741268 4686206568961 9372413137922 18744826275844 107782751086103 215565502172206 431131004344412