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13321230131 = 112317095009
BaseRepresentation
bin11000110100000000…
…11101011100110011
31021101101020121100202
430122000131130303
5204240213331011
610041504105415
7651053405426
oct143200353463
937341217322
1013321230131
11571653a400
1226b930526b
131343ac3ac1
149052a79bd
1552e75623b
hex31a01d733

13321230131 has 24 divisors (see below), whose sum is σ = 15139017600. Its totient is φ = 11700691200.

The previous prime is 13321230119. The next prime is 13321230133. The reversal of 13321230131 is 13103212331.

It is not a de Polignac number, because 13321230131 - 218 = 13320967987 is a prime.

It is a super-2 number, since 2×133212301312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321230133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2656955 + ... + 2661963.

It is an arithmetic number, because the mean of its divisors is an integer number (630792400).

Almost surely, 213321230131 is an apocalyptic number.

13321230131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13321230131 is a deficient number, since it is larger than the sum of its proper divisors (1817787469).

13321230131 is a wasteful number, since it uses less digits than its factorization.

13321230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771 (or 5760 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13321230131 its reverse (13103212331), we get a palindrome (26424442462).

The spelling of 13321230131 in words is "thirteen billion, three hundred twenty-one million, two hundred thirty thousand, one hundred thirty-one".

Divisors: 1 11 31 121 341 709 3751 5009 7799 21979 55099 85789 155279 241769 606089 1708069 2659459 3551381 18788759 39065191 110092811 429717101 1211020921 13321230131