Base | Representation |
---|---|
bin | 1110000110111001000101… |
… | …10000111001100101010000 |
3 | 11001211210010102002201020012 |
4 | 13003130202300321211100 |
5 | 13031240333244214440 |
6 | 145551455145134052 |
7 | 6351230063162666 |
oct | 703344260714520 |
9 | 131753112081205 |
10 | 31023132023120 |
11 | 998092228a326 |
12 | 35905a818a328 |
13 | 1440612c40523 |
14 | 793755a4ac36 |
15 | 38beb222ce65 |
hex | 1c3722c39950 |
31023132023120 has 40 divisors (see below), whose sum is σ = 72383654027616. Its totient is φ = 12365403850368.
The previous prime is 31023132023089. The next prime is 31023132023167. The reversal of 31023132023120 is 2132023132013.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685117202 + ... + 685162481.
Almost surely, 231023132023120 is an apocalyptic number.
It is an amenable number.
31023132023120 is an abundant number, since it is smaller than the sum of its proper divisors (41360522004496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31023132023120 is a wasteful number, since it uses less digits than its factorization.
31023132023120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1370279979 (or 1370279973 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 31023132023120 its reverse (2132023132013), we get a palindrome (33155155155133).
The spelling of 31023132023120 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-two million, twenty-three thousand, one hundred twenty".
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