Base | Representation |
---|---|
bin | 11101001001101000… |
… | …110100110101100110 |
3 | 2222210100212102012212 |
4 | 131021220310311212 |
5 | 1003100323210042 |
6 | 22213520043422 |
7 | 2155435252424 |
oct | 351150646546 |
9 | 88710772185 |
10 | 31300210022 |
11 | 12302175074 |
12 | 6096463572 |
13 | 2c4a874843 |
14 | 172cdc2114 |
15 | c32d5b482 |
hex | 749a34d66 |
31300210022 has 16 divisors (see below), whose sum is σ = 47204180880. Its totient is φ = 15565519872.
The previous prime is 31300210021. The next prime is 31300210043. The reversal of 31300210022 is 22001200313.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 31300209979 and 31300210006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31300210021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2987429 + ... + 2997887.
It is an arithmetic number, because the mean of its divisors is an integer number (2950261305).
Almost surely, 231300210022 is an apocalyptic number.
31300210022 is a deficient number, since it is larger than the sum of its proper divisors (15903970858).
31300210022 is a wasteful number, since it uses less digits than its factorization.
31300210022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18407.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 31300210022 its reverse (22001200313), we get a palindrome (53301410335).
The spelling of 31300210022 in words is "thirty-one billion, three hundred million, two hundred ten thousand, twenty-two".
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