Base | Representation |
---|---|
bin | 1110001111001111110010… |
… | …11011011001111000000000 |
3 | 11002212020002202122112022202 |
4 | 13013213321123121320000 |
5 | 13100441243020044300 |
6 | 150331412524452332 |
7 | 6411041656063151 |
oct | 707477133317000 |
9 | 132766082575282 |
10 | 31310201331200 |
11 | 9a8164443a380 |
12 | 36181630aa0a8 |
13 | 1461701b5602c |
14 | 7a35c9705928 |
15 | 3946b45caad5 |
hex | 1c79f96d9e00 |
31310201331200 has 240 divisors, whose sum is σ = 86912796470544. Its totient is φ = 11077808947200.
The previous prime is 31310201331139. The next prime is 31310201331217. The reversal of 31310201331200 is 213310201313.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2204552 + ... + 8214648.
Almost surely, 231310201331200 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31310201331200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43456398235272).
31310201331200 is an abundant number, since it is smaller than the sum of its proper divisors (55602595139344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31310201331200 is a wasteful number, since it uses less digits than its factorization.
31310201331200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6010173 (or 6010152 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 31310201331200 its reverse (213310201313), we get a palindrome (31523511532513).
The spelling of 31310201331200 in words is "thirty-one trillion, three hundred ten billion, two hundred one million, three hundred thirty-one thousand, two hundred".
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