Base | Representation |
---|---|
bin | 11101001001110000… |
… | …110011011000100111 |
3 | 2222210111210122210202 |
4 | 131021300303120213 |
5 | 1003101342114343 |
6 | 22214032541115 |
7 | 2155462112264 |
oct | 351160633047 |
9 | 88714718722 |
10 | 31302301223 |
11 | 12303373236 |
12 | 60970b179b |
13 | 2c4b12763b |
14 | 172d3a826b |
15 | c33120db8 |
hex | 749c33627 |
31302301223 has 8 divisors (see below), whose sum is σ = 32005651392. Its totient is φ = 30600507136.
The previous prime is 31302301183. The next prime is 31302301259. The reversal of 31302301223 is 32210320313.
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 31302301223 - 26 = 31302301159 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31302301195 and 31302301204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31302301123) 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, 348290 + ... + 428847.
It is an arithmetic number, because the mean of its divisors is an integer number (4000706424).
Almost surely, 231302301223 is an apocalyptic number.
31302301223 is a deficient number, since it is larger than the sum of its proper divisors (703350169).
31302301223 is an equidigital number, since it uses as much as digits as its factorization.
31302301223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 778041.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 31302301223 its reverse (32210320313), we get a palindrome (63512621536).
The spelling of 31302301223 in words is "thirty-one billion, three hundred two million, three hundred one thousand, two hundred twenty-three".
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