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2211120131 = 116167137359
BaseRepresentation
bin1000001111001011…
…0000010000000011
312201002121112121012
42003302300100003
514012021321011
61003223551135
7105536132243
oct20362602003
95632545535
102211120131
11a35135310
125185bb4ab
1329312600c
1416d933b23
15ce1b6a8b
hex83cb0403

2211120131 has 32 divisors (see below), whose sum is σ = 2513410560. Its totient is φ = 1928044800.

The previous prime is 2211120103. The next prime is 2211120161. The reversal of 2211120131 is 1310211122.

It is not a de Polignac number, because 2211120131 - 222 = 2206925827 is a prime.

It is a super-2 number, since 2×22111201312 = 9778104467426914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6158930 + ... + 6159288.

It is an arithmetic number, because the mean of its divisors is an integer number (78544080).

Almost surely, 22211120131 is an apocalyptic number.

2211120131 is a deficient number, since it is larger than the sum of its proper divisors (302290429).

2211120131 is a wasteful number, since it uses less digits than its factorization.

2211120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2211120131 is about 47022.5491759007. The cubic root of 2211120131 is about 1302.7790904331.

Adding to 2211120131 its reverse (1310211122), we get a palindrome (3521331253).

Subtracting from 2211120131 its reverse (1310211122), we obtain a palindrome (900909009).

The spelling of 2211120131 in words is "two billion, two hundred eleven million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 11 61 67 137 359 671 737 1507 3949 4087 8357 9179 21899 24053 44957 49183 91927 100969 240889 264583 541013 559919 1467233 3000163 3295261 6159109 16139563 33001793 36247871 201010921 2211120131