Base | Representation |
---|---|
bin | 1110000110111001000101… |
… | …10001111101011100111000 |
3 | 11001211210010102121211120012 |
4 | 13003130202301331130320 |
5 | 13031240333332113422 |
6 | 145551455155121052 |
7 | 6351230065431320 |
oct | 703344261753470 |
9 | 131753112554505 |
10 | 31023132301112 |
11 | 998092245a176 |
12 | 35905a82a3188 |
13 | 1440613009c13 |
14 | 793755ac0280 |
15 | 38beb22854e2 |
hex | 1c3722c7d738 |
31023132301112 has 64 divisors (see below), whose sum is σ = 66985970768640. Its totient is φ = 13194127584000.
The previous prime is 31023132301111. The next prime is 31023132301297. The reversal of 31023132301112 is 21110323132013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31023132301111) 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, 22112987 + ... + 23474037.
It is an arithmetic number, because the mean of its divisors is an integer number (1046655793260).
Almost surely, 231023132301112 is an apocalyptic number.
It is an amenable number.
31023132301112 is an abundant number, since it is smaller than the sum of its proper divisors (35962838467528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31023132301112 is a wasteful number, since it uses less digits than its factorization.
31023132301112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1364172 (or 1364168 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 31023132301112 its reverse (21110323132013), we get a palindrome (52133455433125).
The spelling of 31023132301112 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-two million, three hundred one thousand, one hundred twelve".
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