Base | Representation |
---|---|
bin | 11100111001100010… |
… | …011100010001101111 |
3 | 2222002112121110102211 |
4 | 130321202130101233 |
5 | 1002022201213403 |
6 | 22131030431251 |
7 | 2145645336031 |
oct | 347142342157 |
9 | 88075543384 |
10 | 31030101103 |
11 | 12183757261 |
12 | 601bb02527 |
13 | 2c06911291 |
14 | 170518dc51 |
15 | c192a406d |
hex | 73989c46f |
31030101103 has 8 divisors (see below), whose sum is σ = 31592822400. Its totient is φ = 30468606168.
The previous prime is 31030101077. The next prime is 31030101121. The reversal of 31030101103 is 30110103013.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31030101103 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31030101133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255451 + ... + 356812.
It is an arithmetic number, because the mean of its divisors is an integer number (3949102800).
Almost surely, 231030101103 is an apocalyptic number.
31030101103 is a deficient number, since it is larger than the sum of its proper divisors (562721297).
31030101103 is an equidigital number, since it uses as much as digits as its factorization.
31030101103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 613181.
The product of its (nonzero) digits is 27, while the sum is 13.
Adding to 31030101103 its reverse (30110103013), we get a palindrome (61140204116).
The spelling of 31030101103 in words is "thirty-one billion, thirty million, one hundred one thousand, one hundred three".
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