Base | Representation |
---|---|
bin | 11101001011100010… |
… | …100110100010100110 |
3 | 2222212120221021100111 |
4 | 131023202212202212 |
5 | 1003132011224110 |
6 | 22221020203234 |
7 | 2156303510422 |
oct | 351342464246 |
9 | 88776837314 |
10 | 31332133030 |
11 | 12319199320 |
12 | 60a509951a |
13 | 2c54370bb3 |
14 | 1733331b82 |
15 | c35a64e8a |
hex | 74b8a68a6 |
31332133030 has 32 divisors (see below), whose sum is σ = 61532796960. Its totient is φ = 11392043520.
The previous prime is 31332133009. The next prime is 31332133121. The reversal of 31332133030 is 3033123313.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 31332132992 and 31332133010.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232286 + ... + 1257454.
It is an arithmetic number, because the mean of its divisors is an integer number (1922899905).
Almost surely, 231332133030 is an apocalyptic number.
31332133030 is a deficient number, since it is larger than the sum of its proper divisors (30200663930).
31332133030 is a wasteful number, since it uses less digits than its factorization.
31332133030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36504.
The product of its (nonzero) digits is 1458, while the sum is 22.
Adding to 31332133030 its reverse (3033123313), we get a palindrome (34365256343).
The spelling of 31332133030 in words is "thirty-one billion, three hundred thirty-two million, one hundred thirty-three thousand, thirty".
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