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31311012110119 = 767301122172441
BaseRepresentation
bin1110001111010001010011…
…10000010001111100100111
311002212022012021021100220121
413013220221300101330213
513100444423100010434
6150332025210342411
76411101032432120
oct707505160217447
9132768167240817
1031311012110119
119a81a200725a5
12361834a72aa07
131461800b11181
147a3665279047
153947108817b4
hex1c7a29c11f27

31311012110119 has 16 divisors (see below), whose sum is σ = 36330167045376. Its totient is φ = 26428661582400.

The previous prime is 31311012110113. The next prime is 31311012110129. The reversal of 31311012110119 is 91101121011313.

It is a de Polignac number, because none of the positive numbers 2k-31311012110119 is a prime.

It is a super-2 number, since 2×313110121101192 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31311012110093 and 31311012110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31311012110113) 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, 9674062 + ... + 12498379.

It is an arithmetic number, because the mean of its divisors is an integer number (2270635440336).

Almost surely, 231311012110119 is an apocalyptic number.

31311012110119 is a deficient number, since it is larger than the sum of its proper divisors (5019154935257).

31311012110119 is a wasteful number, since it uses less digits than its factorization.

31311012110119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22175526.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 31311012110119 in words is "thirty-one trillion, three hundred eleven billion, twelve million, one hundred ten thousand, one hundred nineteen".

Divisors: 1 7 67 469 3011 21077 201737 1412159 22172441 155207087 1485553547 10398874829 66761219851 467328538957 4473001730017 31311012110119