Base | Representation |
---|---|
bin | 11101000101011110… |
… | …001001000000101001 |
3 | 2222121111022121222020 |
4 | 131011132021000221 |
5 | 1002424424101301 |
6 | 22202541415053 |
7 | 2153626112622 |
oct | 350536110051 |
9 | 88544277866 |
10 | 31230300201 |
11 | 12276765861 |
12 | 6076b6a489 |
13 | 2c39238099 |
14 | 17239c4a49 |
15 | c2bb4c436 |
hex | 745789029 |
31230300201 has 8 divisors (see below), whose sum is σ = 41722210560. Its totient is φ = 20779294992.
The previous prime is 31230300173. The next prime is 31230300203. The reversal of 31230300201 is 10200303213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31230300201 - 25 = 31230300169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31230300203) 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, 10224505 + ... + 10227558.
It is an arithmetic number, because the mean of its divisors is an integer number (5215276320).
Almost surely, 231230300201 is an apocalyptic number.
It is an amenable number.
31230300201 is a deficient number, since it is larger than the sum of its proper divisors (10491910359).
31230300201 is a wasteful number, since it uses less digits than its factorization.
31230300201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20452575.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 31230300201 its reverse (10200303213), we get a palindrome (41430603414).
The spelling of 31230300201 in words is "thirty-one billion, two hundred thirty million, three hundred thousand, two hundred one".
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