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11131371 = 33412273
BaseRepresentation
bin101010011101…
…100111101011
3202221112101000
4222131213223
510322200441
61034330043
7163420656
oct52354753
922845330
1011131371
116313189
123889923
1323c9814
14169a89d
15e9d2b6
hexa9d9eb

11131371 has 8 divisors (see below), whose sum is σ = 16490960. Its totient is φ = 7420896.

The previous prime is 11131369. The next prime is 11131391. The reversal of 11131371 is 17313111.

11131371 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11131371 - 21 = 11131369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206110 + ... + 206163.

It is an arithmetic number, because the mean of its divisors is an integer number (2061370).

Almost surely, 211131371 is an apocalyptic number.

11131371 is a deficient number, since it is larger than the sum of its proper divisors (5359589).

11131371 is an equidigital number, since it uses as much as digits as its factorization.

11131371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412282 (or 412276 counting only the distinct ones).

The product of its digits is 63, while the sum is 18.

The square root of 11131371 is about 3336.3709326153. The cubic root of 11131371 is about 223.2798607161.

Adding to 11131371 its reverse (17313111), we get a palindrome (28444482).

The spelling of 11131371 in words is "eleven million, one hundred thirty-one thousand, three hundred seventy-one".

Divisors: 1 3 9 27 412273 1236819 3710457 11131371