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112220331 = 31511911297
BaseRepresentation
bin1101011000001…
…01100010101011
321211011101100120
412230011202223
5212212022311
615045134323
72531566656
oct654054253
9254141316
10112220331
1158388883
12316ba3a3
131a331b82
1410c9289d
159cba706
hex6b058ab

112220331 has 16 divisors (see below), whose sum is σ = 151523328. Its totient is φ = 73872000.

The previous prime is 112220309. The next prime is 112220333. The reversal of 112220331 is 133022211.

It is not a de Polignac number, because 112220331 - 214 = 112203947 is a prime.

It is a super-2 number, since 2×1122203312 = 25186805379499122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112220331.

It is not an unprimeable number, because it can be changed into a prime (112220333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85875 + ... + 87171.

It is an arithmetic number, because the mean of its divisors is an integer number (9470208).

Almost surely, 2112220331 is an apocalyptic number.

112220331 is a deficient number, since it is larger than the sum of its proper divisors (39302997).

112220331 is a wasteful number, since it uses less digits than its factorization.

112220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 112220331 is about 10593.4097909974. The cubic root of 112220331 is about 482.3443345104.

Adding to 112220331 its reverse (133022211), we get a palindrome (245242542).

The spelling of 112220331 in words is "one hundred twelve million, two hundred twenty thousand, three hundred thirty-one".

Divisors: 1 3 151 191 453 573 1297 3891 28841 86523 195847 247727 587541 743181 37406777 112220331