Base | Representation |
---|---|
bin | 1110001111111110110000… |
… | …00111010100010100010001 |
3 | 11002221122011202101102211110 |
4 | 13013333120013110110101 |
5 | 13101344411012034301 |
6 | 150351142321403533 |
7 | 6412623504106164 |
oct | 707773007242421 |
9 | 132848152342743 |
10 | 31335412221201 |
11 | 9a91301317160 |
12 | 362101a1995a9 |
13 | 1463bbbc8a51a |
14 | 7a48dbaa7adb |
15 | 39518ca590d6 |
hex | 1c7fd81d4511 |
31335412221201 has 32 divisors (see below), whose sum is σ = 47158227910656. Its totient is φ = 18335899008000.
The previous prime is 31335412221101. The next prime is 31335412221229. The reversal of 31335412221201 is 10212221453313.
It is not a de Polignac number, because 31335412221201 - 27 = 31335412221073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31335412221101) 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 31 ways as a sum of consecutive naturals, for example, 35093776 + ... + 35975601.
It is an arithmetic number, because the mean of its divisors is an integer number (1473694622208).
Almost surely, 231335412221201 is an apocalyptic number.
31335412221201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
31335412221201 is a deficient number, since it is larger than the sum of its proper divisors (15822815689455).
31335412221201 is a wasteful number, since it uses less digits than its factorization.
31335412221201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71069853.
The product of its (nonzero) digits is 8640, while the sum is 30.
Adding to 31335412221201 its reverse (10212221453313), we get a palindrome (41547633674514).
The spelling of 31335412221201 in words is "thirty-one trillion, three hundred thirty-five billion, four hundred twelve million, two hundred twenty-one thousand, two hundred one".
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