Base | Representation |
---|---|
bin | 11100110111111011… |
… | …011100101111111001 |
3 | 2222000122210202220111 |
4 | 130313323130233321 |
5 | 1001443243232301 |
6 | 22124224024321 |
7 | 2145200010031 |
oct | 346773345771 |
9 | 88018722814 |
10 | 31003102201 |
11 | 1216a496615 |
12 | 6012a620a1 |
13 | 2c0114a2b6 |
14 | 17017628c1 |
15 | c16c1e551 |
hex | 737edcbf9 |
31003102201 has 8 divisors (see below), whose sum is σ = 32006630144. Its totient is φ = 29999788560.
The previous prime is 31003102187. The next prime is 31003102219. The reversal of 31003102201 is 10220130013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31003102201 - 223 = 30994713593 is a prime.
It is a super-2 number, since 2×310031022012 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31003102301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271930 + ... + 368716.
It is an arithmetic number, because the mean of its divisors is an integer number (4000828768).
Almost surely, 231003102201 is an apocalyptic number.
31003102201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
31003102201 is a deficient number, since it is larger than the sum of its proper divisors (1003527943).
31003102201 is a wasteful number, since it uses less digits than its factorization.
31003102201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107151.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 31003102201 its reverse (10220130013), we get a palindrome (41223232214).
The spelling of 31003102201 in words is "thirty-one billion, three million, one hundred two thousand, two hundred one".
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