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31132021222133 = 132997185044599
BaseRepresentation
bin1110001010000011111010…
…00100001110101011110101
311002020012012002100011002222
413011001331010032223311
513040031334413102013
6150113504134412125
76362133336123416
oct705017504165365
9132205162304088
1031132021222133
119a1301a408197
1235a9716b01045
13144a977277430
14798b254bd80d
1538ec36a59508
hex1c507d10eaf5

31132021222133 has 16 divisors (see below), whose sum is σ = 34718607504000. Its totient is φ = 27717735380160.

The previous prime is 31132021222097. The next prime is 31132021222163. The reversal of 31132021222133 is 33122212023113.

It is a cyclic number.

It is not a de Polignac number, because 31132021222133 - 28 = 31132021221877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132021222163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42156233 + ... + 42888366.

It is an arithmetic number, because the mean of its divisors is an integer number (2169912969000).

Almost surely, 231132021222133 is an apocalyptic number.

It is an amenable number.

31132021222133 is a deficient number, since it is larger than the sum of its proper divisors (3586586281867).

31132021222133 is a wasteful number, since it uses less digits than its factorization.

31132021222133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85045612.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31132021222133 its reverse (33122212023113), we get a palindrome (64254233245246).

The spelling of 31132021222133 in words is "thirty-one trillion, one hundred thirty-two billion, twenty-one million, two hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 13 29 377 971 12623 28159 366067 85044599 1105579787 2466293371 32061813823 82578305629 1073517973177 2394770863241 31132021222133