Base | Representation |
---|---|
bin | 11101001010111000… |
… | …001000100101101101 |
3 | 2222211210222200010012 |
4 | 131022320020211231 |
5 | 1003121134002201 |
6 | 22215541423005 |
7 | 2156110052453 |
oct | 351270104555 |
9 | 88753880105 |
10 | 31321000301 |
11 | 12312985118 |
12 | 60a140aa65 |
13 | 2c51c73896 |
14 | 1731a749d3 |
15 | c34ab65bb |
hex | 74ae0896d |
31321000301 has 4 divisors (see below), whose sum is σ = 31347080604. Its totient is φ = 31294920000.
The previous prime is 31321000289. The next prime is 31321000307. The reversal of 31321000301 is 10300012313.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10300012313 = 751 ⋅13715063.
It can be written as a sum of positive squares in 2 ways, for example, as 1581652900 + 29739347401 = 39770^2 + 172451^2 .
It is a cyclic number.
It is not a de Polignac number, because 31321000301 - 210 = 31320999277 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31321000307) 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 3 ways as a sum of consecutive naturals, for example, 13038350 + ... + 13040751.
It is an arithmetic number, because the mean of its divisors is an integer number (7836770151).
Almost surely, 231321000301 is an apocalyptic number.
It is an amenable number.
31321000301 is a deficient number, since it is larger than the sum of its proper divisors (26080303).
31321000301 is a wasteful number, since it uses less digits than its factorization.
31321000301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26080302.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 31321000301 its reverse (10300012313), we get a palindrome (41621012614).
The spelling of 31321000301 in words is "thirty-one billion, three hundred twenty-one million, three hundred one", and thus it is an aban number.
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