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13311103310231 = 19700584384749
BaseRepresentation
bin1100000110110011101110…
…0101011001100110010111
31202010112021200021011020212
43001230323211121212113
53221042114421411411
644151011512120035
72542460356166636
oct301547345314627
952115250234225
1013311103310231
114272230887341
1215ab94569601b
13757301c43a7c
14340391a4b51d
151813bb9e068b
hexc1b3b959997

13311103310231 has 4 divisors (see below), whose sum is σ = 14011687695000. Its totient is φ = 12610518925464.

The previous prime is 13311103310189. The next prime is 13311103310249. The reversal of 13311103310231 is 13201330111331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13311103310231 is a prime.

It is a super-2 number, since 2×133111033102312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13311103310197 and 13311103310206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311103310261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350292192356 + ... + 350292192393.

It is an arithmetic number, because the mean of its divisors is an integer number (3502921923750).

Almost surely, 213311103310231 is an apocalyptic number.

13311103310231 is a deficient number, since it is larger than the sum of its proper divisors (700584384769).

13311103310231 is an equidigital number, since it uses as much as digits as its factorization.

13311103310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700584384768.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 13311103310231 its reverse (13201330111331), we get a palindrome (26512433421562).

The spelling of 13311103310231 in words is "thirteen trillion, three hundred eleven billion, one hundred three million, three hundred ten thousand, two hundred thirty-one".

Divisors: 1 19 700584384749 13311103310231