Base | Representation |
---|---|
bin | 11101000011101011… |
… | …101111111101110001 |
3 | 2222112101220010112121 |
4 | 131003223233331301 |
5 | 1002344240010301 |
6 | 22155550554241 |
7 | 2153113200151 |
oct | 350353577561 |
9 | 88471803477 |
10 | 31200313201 |
11 | 12260844112 |
12 | 6068b08981 |
13 | 2c32c68cb5 |
14 | 171da1a761 |
15 | c291c73a1 |
hex | 743aeff71 |
31200313201 has 16 divisors (see below), whose sum is σ = 32912006400. Its totient is φ = 29535710400.
The previous prime is 31200313189. The next prime is 31200313219. The reversal of 31200313201 is 10231300213.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31200313201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31200313301) 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 15 ways as a sum of consecutive naturals, for example, 330820 + ... + 414538.
It is an arithmetic number, because the mean of its divisors is an integer number (2057000400).
Almost surely, 231200313201 is an apocalyptic number.
It is an amenable number.
31200313201 is a deficient number, since it is larger than the sum of its proper divisors (1711693199).
31200313201 is a wasteful number, since it uses less digits than its factorization.
31200313201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84000.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 31200313201 its reverse (10231300213), we get a palindrome (41431613414).
The spelling of 31200313201 in words is "thirty-one billion, two hundred million, three hundred thirteen thousand, two hundred one".
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