Base | Representation |
---|---|
bin | 1110001001110001100111… |
… | …01111000110000000110110 |
3 | 11002012020211200212200220000 |
4 | 13010320303233012000312 |
5 | 13034401231424311410 |
6 | 150105201453252130 |
7 | 6361335103525131 |
oct | 704706357060066 |
9 | 132166750780800 |
10 | 31122201010230 |
11 | 9a09940130690 |
12 | 35a7836194046 |
13 | 1449a708b8565 |
14 | 79847319b218 |
15 | 38e85e861dc0 |
hex | 1c4e33bc6036 |
31122201010230 has 80 divisors (see below), whose sum is σ = 91291789656144. Its totient is φ = 7544776000320.
The previous prime is 31122201010223. The next prime is 31122201010259. The reversal of 31122201010230 is 3201010222113.
31122201010230 is a `hidden beast` number, since 3 + 112 + 220 + 101 + 0 + 230 = 666.
It is a super-2 number, since 2×311222010102302 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1746467017 + ... + 1746484836.
Almost surely, 231122201010230 is an apocalyptic number.
31122201010230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31122201010230 is an abundant number, since it is smaller than the sum of its proper divisors (60169588645914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31122201010230 is a wasteful number, since it uses less digits than its factorization.
31122201010230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3492951883 (or 3492951874 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 31122201010230 its reverse (3201010222113), we get a palindrome (34323211232343).
The spelling of 31122201010230 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred one million, ten thousand, two hundred thirty".
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