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31340535541 = 7109180122807
BaseRepresentation
bin11101001100000010…
…101001111011110101
32222220011202011102121
4131030002221323311
51003141134114131
622221520235541
72156435104510
oct351402517365
988804664377
1031340535541
1112322a08247
1260a7a6bbb1
132c560235b3
1417344bbd77
15c36674911
hex74c0a9ef5

31340535541 has 16 divisors (see below), whose sum is σ = 36168014080. Its totient is φ = 26600918400.

The previous prime is 31340535533. The next prime is 31340535553. The reversal of 31340535541 is 14553504313.

It is not a de Polignac number, because 31340535541 - 23 = 31340535533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31340535497 and 31340535506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31340535571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1362760 + ... + 1385566.

It is an arithmetic number, because the mean of its divisors is an integer number (2260500880).

Almost surely, 231340535541 is an apocalyptic number.

It is an amenable number.

31340535541 is a deficient number, since it is larger than the sum of its proper divisors (4827478539).

31340535541 is a wasteful number, since it uses less digits than its factorization.

31340535541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24724.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 31340535541 in words is "thirty-one billion, three hundred forty million, five hundred thirty-five thousand, five hundred forty-one".

Divisors: 1 7 109 763 1801 12607 22807 159649 196309 1374163 2485963 17401741 41075407 287527849 4477219363 31340535541