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10003131111 = 397225115271
BaseRepresentation
bin10010101000011101…
…11010101011100111
3221211010122201012110
421110032322223213
5130441300143421
64332333452103
7502613132361
oct112416725347
927733581173
1010003131111
114273563506
121b32041033
13c355456bc
146ac739d31
153d82caa76
hex2543baae7

10003131111 has 16 divisors (see below), whose sum is σ = 13481877248. Its totient is φ = 6596640000.

The previous prime is 10003131107. The next prime is 10003131167. The reversal of 10003131111 is 11113130001.

It is not a de Polignac number, because 10003131111 - 22 = 10003131107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003131911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647406 + ... + 662676.

It is an arithmetic number, because the mean of its divisors is an integer number (842617328).

Almost surely, 210003131111 is an apocalyptic number.

10003131111 is a deficient number, since it is larger than the sum of its proper divisors (3478746137).

10003131111 is a wasteful number, since it uses less digits than its factorization.

10003131111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17622.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 10003131111 its reverse (11113130001), we get a palindrome (21116261112).

The spelling of 10003131111 in words is "ten billion, three million, one hundred thirty-one thousand, one hundred eleven".

Divisors: 1 3 97 291 2251 6753 15271 45813 218347 655041 1481287 4443861 34375021 103125063 3334377037 10003131111