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2131327 = 11193757
BaseRepresentation
bin1000001000010101111111
311000021122001
420020111333
51021200302
6113403131
724054532
oct10102577
94007561
102131327
111226330
128694a7
13598153
143d6a19
152c1787
hex20857f

2131327 has 4 divisors (see below), whose sum is σ = 2325096. Its totient is φ = 1937560.

The previous prime is 2131321. The next prime is 2131361. The reversal of 2131327 is 7231312.

2131327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2131327 - 23 = 2131319 is a prime.

It is a Duffinian number.

2131327 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131321) 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 3 ways as a sum of consecutive naturals, for example, 96868 + ... + 96889.

It is an arithmetic number, because the mean of its divisors is an integer number (581274).

22131327 is an apocalyptic number.

2131327 is a deficient number, since it is larger than the sum of its proper divisors (193769).

2131327 is a wasteful number, since it uses less digits than its factorization.

2131327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193768.

The product of its digits is 252, while the sum is 19.

The square root of 2131327 is about 1459.9065038556. The cubic root of 2131327 is about 128.6915491743.

Adding to 2131327 its reverse (7231312), we get a palindrome (9362639).

It can be divided in two parts, 213 and 1327, that added together give a triangular number (1540 = T55).

The spelling of 2131327 in words is "two million, one hundred thirty-one thousand, three hundred twenty-seven".

Divisors: 1 11 193757 2131327