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13055341531 = 27974667623
BaseRepresentation
bin11000010100010100…
…01011001111011011
31020200211221001202211
430022022023033123
5203214131412111
65555245135551
7641344400131
oct141212131733
936624831684
1013055341531
11559a444361
12264425a5b7
1313009aa47b
148bbc53751
15516234521
hex30a28b3db

13055341531 has 4 divisors (see below), whose sum is σ = 13060011952. Its totient is φ = 13050671112.

The previous prime is 13055341513. The next prime is 13055341549. The reversal of 13055341531 is 13514355031.

13055341531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13514355031 = 68319786757.

It is an interprime number because it is at equal distance from previous prime (13055341513) and next prime (13055341549).

It is a cyclic number.

It is not a de Polignac number, because 13055341531 - 211 = 13055339483 is a prime.

It is a super-3 number, since 3×130553415313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13055341493 and 13055341502.

It is not an unprimeable number, because it can be changed into a prime (13055341501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331015 + ... + 2336608.

It is an arithmetic number, because the mean of its divisors is an integer number (3265002988).

Almost surely, 213055341531 is an apocalyptic number.

13055341531 is a deficient number, since it is larger than the sum of its proper divisors (4670421).

13055341531 is an equidigital number, since it uses as much as digits as its factorization.

13055341531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670420.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 13055341531 its product of nonzero digits (13500), we get a palindrome (13055355031).

Adding to 13055341531 its reverse (13514355031), we get a palindrome (26569696562).

The spelling of 13055341531 in words is "thirteen billion, fifty-five million, three hundred forty-one thousand, five hundred thirty-one".

Divisors: 1 2797 4667623 13055341531