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1312020101313 = 322338992917539
BaseRepresentation
bin10011000101111010011…
…111011111100011000001
311122102112221021212101200
4103011322133133203001
5132444004121220223
62442422252051413
7163535036565465
oct23057237374301
94572487255350
101312020101313
11466474163219
12192340a63b69
139695247951c
1447705b1a4a5
15241de316a43
hex1317a7df8c1

1312020101313 has 48 divisors (see below), whose sum is σ = 1984868496000. Its totient is φ = 833553921024.

The previous prime is 1312020101191. The next prime is 1312020101339. The reversal of 1312020101313 is 3131010202131.

1312020101313 is a `hidden beast` number, since 131 + 20 + 201 + 0 + 1 + 313 = 666.

It is not a de Polignac number, because 1312020101313 - 28 = 1312020101057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312020101363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74797098 + ... + 74814636.

It is an arithmetic number, because the mean of its divisors is an integer number (41351427000).

Almost surely, 21312020101313 is an apocalyptic number.

It is an amenable number.

1312020101313 is a deficient number, since it is larger than the sum of its proper divisors (672848394687).

1312020101313 is a wasteful number, since it uses less digits than its factorization.

1312020101313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18886 (or 18883 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1312020101313 its reverse (3131010202131), we get a palindrome (4443030303444).

The spelling of 1312020101313 in words is "one trillion, three hundred twelve billion, twenty million, one hundred one thousand, three hundred thirteen".

Divisors: 1 3 9 23 69 207 389 929 1167 2787 3501 8361 8947 17539 21367 26841 52617 64101 80523 157851 192303 361381 403397 1084143 1210191 3252429 3630573 6822671 8311763 16293731 20468013 24935289 48881193 61404039 74805867 146643579 156921433 374755813 470764299 1124267439 1412292897 3372802317 6338261359 19014784077 57044352231 145780011257 437340033771 1312020101313