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31144131120234 = 23112017233951797
BaseRepresentation
bin1110001010011010011101…
…10111110100110001101010
311002021100110001020201022110
413011031032313310301222
513040231140031321414
6150123225531503150
76363042413425656
oct705151667646152
9132240401221273
1031144131120234
119a18174100940
1235abb365b7ab6
13144bb57109b02
14799553947a66
153901e4c87459
hex1c534edf4c6a

31144131120234 has 32 divisors (see below), whose sum is σ = 67984520884416. Its totient is φ = 9432936414720.

The previous prime is 31144131120049. The next prime is 31144131120251. The reversal of 31144131120234 is 43202113144113.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116842777 + ... + 117109020.

It is an arithmetic number, because the mean of its divisors is an integer number (2124516277638).

Almost surely, 231144131120234 is an apocalyptic number.

31144131120234 is an abundant number, since it is smaller than the sum of its proper divisors (36840389764182).

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

31144131120234 is a wasteful number, since it uses less digits than its factorization.

31144131120234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233953830.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 31144131120234 its reverse (43202113144113), we get a palindrome (74346244264347).

The spelling of 31144131120234 in words is "thirty-one trillion, one hundred forty-four billion, one hundred thirty-one million, one hundred twenty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 2017 4034 6051 12102 22187 44374 66561 133122 233951797 467903594 701855391 1403710782 2573469767 5146939534 7720409301 15440818602 471880774549 943761549098 1415642323647 2831284647294 5190688520039 10381377040078 15572065560117 31144131120234