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13311103120431 = 310767141209187
BaseRepresentation
bin1100000110110011101110…
…0100101011010000101111
31202010112021122220111220020
43001230323210223100233
53221042114344323211
644151011504053223
72542460354446404
oct301547344532057
952115248814806
1013311103120431
114272230767786
1215ab945604213
13757301ba856c
143403919dc2ab
151813bb9a4306
hexc1b3b92b42f

13311103120431 has 8 divisors (see below), whose sum is σ = 17748302761344. Its totient is φ = 8873986113240.

The previous prime is 13311103120417. The next prime is 13311103120457. The reversal of 13311103120431 is 13402130111331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13311103120431 - 225 = 13311069565999 is a prime.

It is a super-2 number, since 2×133111031204312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311103140431) 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 7 ways as a sum of consecutive naturals, for example, 20281581 + ... + 20927606.

It is an arithmetic number, because the mean of its divisors is an integer number (2218537845168).

Almost surely, 213311103120431 is an apocalyptic number.

13311103120431 is a deficient number, since it is larger than the sum of its proper divisors (4437199640913).

13311103120431 is a wasteful number, since it uses less digits than its factorization.

13311103120431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41316861.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13311103120431 its reverse (13402130111331), we get a palindrome (26713233231762).

The spelling of 13311103120431 in words is "thirteen trillion, three hundred eleven billion, one hundred three million, one hundred twenty thousand, four hundred thirty-one".

Divisors: 1 3 107671 323013 41209187 123627561 4437034373477 13311103120431