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5431161131 = 111573144853
BaseRepresentation
bin1010000111011100…
…01111000100101011
3112000111200120102222
411003232033010223
542110334124011
62254532344255
7251406052004
oct50356170453
915014616388
105431161131
112337826820
121076a7508b
13687290816
143974581ab
1521bc22ddb
hex143b8f12b

5431161131 has 8 divisors (see below), whose sum is σ = 5962643184. Its totient is φ = 4905969120.

The previous prime is 5431161121. The next prime is 5431161137. The reversal of 5431161131 is 1311611345.

It is a happy number.

5431161131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5431161131 - 218 = 5430898987 is a prime.

It is a super-2 number, since 2×54311611312 = 58995022461770398322, which 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 5431161131.

It is not an unprimeable number, because it can be changed into a prime (5431161137) 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 7 ways as a sum of consecutive naturals, for example, 1570700 + ... + 1574153.

It is an arithmetic number, because the mean of its divisors is an integer number (745330398).

Almost surely, 25431161131 is an apocalyptic number.

5431161131 is a deficient number, since it is larger than the sum of its proper divisors (531482053).

5431161131 is a wasteful number, since it uses less digits than its factorization.

5431161131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145021.

The product of its digits is 1080, while the sum is 26.

The square root of 5431161131 is about 73696.4119275830. The cubic root of 5431161131 is about 1757.7788279660.

Adding to 5431161131 its reverse (1311611345), we get a palindrome (6742772476).

The spelling of 5431161131 in words is "five billion, four hundred thirty-one million, one hundred sixty-one thousand, one hundred thirty-one".

Divisors: 1 11 157 1727 3144853 34593383 493741921 5431161131