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13201131611 is a prime number
BaseRepresentation
bin11000100101101100…
…10100100001011011
31021002000020222011102
430102312110201123
5204013442202421
610021534022015
7645064524113
oct142266244133
937060228142
1013201131611
115664770628
12268504790b
131324c640a5
148d3364043
15523e3160b
hex312d9485b

13201131611 has 2 divisors, whose sum is σ = 13201131612. Its totient is φ = 13201131610.

The previous prime is 13201131599. The next prime is 13201131631. The reversal of 13201131611 is 11613110231.

It is an a-pointer prime, because the next prime (13201131631) can be obtained adding 13201131611 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13201131611 - 210 = 13201130587 is a prime.

It is not a weakly prime, because it can be changed into another prime (13201131631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600565805 + 6600565806.

It is an arithmetic number, because the mean of its divisors is an integer number (6600565806).

Almost surely, 213201131611 is an apocalyptic number.

13201131611 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201131611 is an equidigital number, since it uses as much as digits as its factorization.

13201131611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 13201131611 its reverse (11613110231), we get a palindrome (24814241842).

The spelling of 13201131611 in words is "thirteen billion, two hundred one million, one hundred thirty-one thousand, six hundred eleven".