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13100103311031 = 3211223863687581
BaseRepresentation
bin1011111010100001101100…
…0000010001111010110111
31201101100122201112121121200
42332220123000101322313
53204113002421423111
643510034313543543
72521310525612262
oct276503300217267
951340581477550
1013100103311031
1141a07a4888a10
121576a7a114bb3
137404469ca739
14334096a99cd9
1517ab6c9cc256
hexbea1b011eb7

13100103311031 has 48 divisors (see below), whose sum is σ = 20759211712512. Its totient is φ = 7894683547200.

The previous prime is 13100103310999. The next prime is 13100103311033. The reversal of 13100103311031 is 13011330100131.

13100103311031 is a `hidden beast` number, since 1 + 310 + 0 + 10 + 3 + 311 + 0 + 31 = 666.

It is not a de Polignac number, because 13100103311031 - 25 = 13100103310999 is a prime.

It is a super-2 number, since 2×131001033110312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13100103310995 and 13100103311013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100103311033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18708661 + ... + 19396241.

It is an arithmetic number, because the mean of its divisors is an integer number (432483577344).

Almost surely, 213100103311031 is an apocalyptic number.

13100103311031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13100103311031 is a deficient number, since it is larger than the sum of its proper divisors (7659108401481).

13100103311031 is a wasteful number, since it uses less digits than its factorization.

13100103311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688684 (or 688681 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 13100103311031 its reverse (13011330100131), we get a palindrome (26111433411162).

The spelling of 13100103311031 in words is "thirteen trillion, one hundred billion, one hundred three million, three hundred eleven thousand, thirty-one".

Divisors: 1 3 9 11 33 99 223 669 863 2007 2453 2589 7359 7767 9493 22077 28479 85437 192449 577347 687581 1732041 2062743 2116939 6188229 6350817 7563391 19052451 22690173 68070519 153330563 459991689 593382403 1379975067 1686636193 1780147209 5059908579 5340441627 6527206433 15179725737 19581619299 58744857897 132324275869 396972827607 1190918482821 1455567034559 4366701103677 13100103311031