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13524321131 = 41329861491
BaseRepresentation
bin11001001100001110…
…01100001101101011
31021220112101200211122
430212013030031223
5210144211234011
610114001045455
7656100555446
oct144607141553
937815350748
1013524321131
115810143702
12275532688b
131376bc0ca9
1492425265d
155424c13db
hex3261cc36b

13524321131 has 4 divisors (see below), whose sum is σ = 13854182664. Its totient is φ = 13194459600.

The previous prime is 13524321121. The next prime is 13524321143. The reversal of 13524321131 is 13112342531.

13524321131 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: 13112342531 = 85715300283.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13524321131 is a prime.

It is a super-2 number, since 2×135243211312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13524321131.

It is not an unprimeable number, because it can be changed into a prime (13524321101) 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, 164930705 + ... + 164930786.

It is an arithmetic number, because the mean of its divisors is an integer number (3463545666).

Almost surely, 213524321131 is an apocalyptic number.

13524321131 is a deficient number, since it is larger than the sum of its proper divisors (329861533).

13524321131 is an equidigital number, since it uses as much as digits as its factorization.

13524321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329861532.

The product of its digits is 2160, while the sum is 26.

Adding to 13524321131 its reverse (13112342531), we get a palindrome (26636663662).

The spelling of 13524321131 in words is "thirteen billion, five hundred twenty-four million, three hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 41 329861491 13524321131