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13154334131 = 41341318191
BaseRepresentation
bin11000100000000111…
…10011010110110011
31020221202012102002102
430100003303112303
5203420002143011
610013143011015
7643655665241
oct142003632663
936852172072
1013154334131
115640307a24
122671439a6b
13131835a583
148cb061791
1551ec8a73b
hex3100f35b3

13154334131 has 4 divisors (see below), whose sum is σ = 13154693664. Its totient is φ = 13153974600.

The previous prime is 13154334107. The next prime is 13154334139. The reversal of 13154334131 is 13143345131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13154334131 - 210 = 13154333107 is a prime.

It is a super-2 number, since 2×131543341312 (a number of 21 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 = 13154334094 and 13154334103.

It is not an unprimeable number, because it can be changed into a prime (13154334139) 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, 117755 + ... + 200436.

It is an arithmetic number, because the mean of its divisors is an integer number (3288673416).

Almost surely, 213154334131 is an apocalyptic number.

13154334131 is a deficient number, since it is larger than the sum of its proper divisors (359533).

13154334131 is an equidigital number, since it uses as much as digits as its factorization.

13154334131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359532.

The product of its digits is 6480, while the sum is 29.

Adding to 13154334131 its reverse (13143345131), we get a palindrome (26297679262).

The spelling of 13154334131 in words is "thirteen billion, one hundred fifty-four million, three hundred thirty-four thousand, one hundred thirty-one".

Divisors: 1 41341 318191 13154334131