Base | Representation |
---|---|
bin | 11101001001101000… |
… | …110111110101111010 |
3 | 2222210100220001002201 |
4 | 131021220313311322 |
5 | 1003100324103310 |
6 | 22213520220414 |
7 | 2155435333336 |
oct | 351150676572 |
9 | 88710801081 |
10 | 31300222330 |
11 | 12302183343 |
12 | 609646a70a |
13 | 2c4a87a320 |
14 | 172cdc67c6 |
15 | c32d5ee3a |
hex | 749a37d7a |
31300222330 has 16 divisors (see below), whose sum is σ = 60674277384. Its totient is φ = 11557005120.
The previous prime is 31300222301. The next prime is 31300222361. The reversal of 31300222330 is 3322200313.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 21237524361 + 10062697969 = 145731^2 + 100313^2 .
It is a junction number, because it is equal to n+sod(n) for n = 31300222298 and 31300222307.
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, 120385341 + ... + 120385600.
Almost surely, 231300222330 is an apocalyptic number.
31300222330 is a deficient number, since it is larger than the sum of its proper divisors (29374055054).
31300222330 is a wasteful number, since it uses less digits than its factorization.
31300222330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240770961.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 31300222330 its reverse (3322200313), we get a palindrome (34622422643).
The spelling of 31300222330 in words is "thirty-one billion, three hundred million, two hundred twenty-two thousand, three hundred thirty".
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