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13031031011 is a prime number
BaseRepresentation
bin11000010001011010…
…11100000011100011
31020122011011222000012
430020231130003203
5203141420443021
65553020115135
7640630636025
oct141055340343
936564158005
1013031031011
11558774a519
122638095aab
1312c894804b
148b8926015
1551403135b
hex308b5c0e3

13031031011 has 2 divisors, whose sum is σ = 13031031012. Its totient is φ = 13031031010.

The previous prime is 13031030993. The next prime is 13031031043. The reversal of 13031031011 is 11013013031.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11013013031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13031031011 - 214 = 13031014627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13031031311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515515505 + 6515515506.

It is an arithmetic number, because the mean of its divisors is an integer number (6515515506).

Almost surely, 213031031011 is an apocalyptic number.

13031031011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031031011 is an equidigital number, since it uses as much as digits as its factorization.

13031031011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 13031031011 its reverse (11013013031), we get a palindrome (24044044042).

The spelling of 13031031011 in words is "thirteen billion, thirty-one million, thirty-one thousand, eleven".