Base | Representation |
---|---|
bin | 1110000111001011100000… |
… | …01101001100010111001101 |
3 | 11001212201122121100222110110 |
4 | 13003211300031030113031 |
5 | 13031421111413022201 |
6 | 150000212333030233 |
7 | 6352030124030442 |
oct | 703456015142715 |
9 | 131781577328413 |
10 | 31033021220301 |
11 | 99850374a4561 |
12 | 35924a8025379 |
13 | 144152a9a40a9 |
14 | 7940131a99c9 |
15 | 38c3905006d6 |
hex | 1c397034c5cd |
31033021220301 has 16 divisors (see below), whose sum is σ = 43176604270464. Its totient is φ = 19789068946944.
The previous prime is 31033021220281. The next prime is 31033021220317. The reversal of 31033021220301 is 10302212033013.
It is not a de Polignac number, because 31033021220301 - 211 = 31033021218253 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31033021220501) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13322565 + ... + 15477621.
It is an arithmetic number, because the mean of its divisors is an integer number (2698537766904).
Almost surely, 231033021220301 is an apocalyptic number.
It is an amenable number.
31033021220301 is a deficient number, since it is larger than the sum of its proper divisors (12143583050163).
31033021220301 is a wasteful number, since it uses less digits than its factorization.
31033021220301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2363780.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 31033021220301 its reverse (10302212033013), we get a palindrome (41335233253314).
The spelling of 31033021220301 in words is "thirty-one trillion, thirty-three billion, twenty-one million, two hundred twenty thousand, three hundred one".
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