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13206131 is a prime number
BaseRepresentation
bin110010011000…
…001001110011
3220211221101222
4302120021303
511340044011
61151015255
7220151561
oct62301163
926757358
1013206131
1174aaa64
12450a52b
132974ca3
141a7aa31
15125cddb
hexc98273

13206131 has 2 divisors, whose sum is σ = 13206132. Its totient is φ = 13206130.

The previous prime is 13206043. The next prime is 13206173. The reversal of 13206131 is 13160231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13206131 - 214 = 13189747 is a prime.

It is a super-2 number, since 2×132061312 = 348803791978322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13206181) 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 as a sum of consecutive naturals, namely, 6603065 + 6603066.

It is an arithmetic number, because the mean of its divisors is an integer number (6603066).

Almost surely, 213206131 is an apocalyptic number.

13206131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13206131 is an equidigital number, since it uses as much as digits as its factorization.

13206131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 13206131 is about 3634.0240780710. The cubic root of 13206131 is about 236.3697342922.

Adding to 13206131 its reverse (13160231), we get a palindrome (26366362).

The spelling of 13206131 in words is "thirteen million, two hundred six thousand, one hundred thirty-one".