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31431224014434 = 233582059703971
BaseRepresentation
bin1110010010110001001101…
…11100010011011001100010
311010021210111001011211111000
413021120212330103121202
513104432121321430214
6150503145512532430
76422555013652266
oct711304674233142
9133253431154430
1031431224014434
11a0189a8600552
1236376b93b1116
13146cc4ab900ba
147a93ca7c20a6
153978e9243809
hex1c9626f13662

31431224014434 has 16 divisors (see below), whose sum is σ = 69847164476640. Its totient is φ = 10477074671460.

The previous prime is 31431224014417. The next prime is 31431224014439. The reversal of 31431224014434 is 43441042213413.

31431224014434 is a `hidden beast` number, since 31 + 4 + 312 + 240 + 1 + 44 + 34 = 666.

It is not an unprimeable number, because it can be changed into a prime (31431224014439) 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, 291029851932 + ... + 291029852039.

It is an arithmetic number, because the mean of its divisors is an integer number (4365447779790).

Almost surely, 231431224014434 is an apocalyptic number.

31431224014434 is an abundant number, since it is smaller than the sum of its proper divisors (38415940462206).

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

31431224014434 is a wasteful number, since it uses less digits than its factorization.

31431224014434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582059703982 (or 582059703976 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 31431224014434 its reverse (43441042213413), we get a palindrome (74872266227847).

The spelling of 31431224014434 in words is "thirty-one trillion, four hundred thirty-one billion, two hundred twenty-four million, fourteen thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 582059703971 1164119407942 1746179111913 3492358223826 5238537335739 10477074671478 15715612007217 31431224014434