Base | Representation |
---|---|
bin | 11100111101111000… |
… | …100100010111111111 |
3 | 2222021121210122001120 |
4 | 130331320210113333 |
5 | 1002144332312203 |
6 | 22142153242023 |
7 | 2150522140221 |
oct | 347570442777 |
9 | 88247718046 |
10 | 31103010303 |
11 | 12210924aa2 |
12 | 6040403313 |
13 | 2c18a5b011 |
14 | 1710b2c411 |
15 | c208a6b53 |
hex | 73de245ff |
31103010303 has 32 divisors (see below), whose sum is σ = 44630784000. Its totient is φ = 19229857920.
The previous prime is 31103010293. The next prime is 31103010307. The reversal of 31103010303 is 30301030113.
It is not a de Polignac number, because 31103010303 - 25 = 31103010271 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31103010307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138573 + ... + 285321.
It is an arithmetic number, because the mean of its divisors is an integer number (1394712000).
Almost surely, 231103010303 is an apocalyptic number.
31103010303 is a deficient number, since it is larger than the sum of its proper divisors (13527773697).
31103010303 is a wasteful number, since it uses less digits than its factorization.
31103010303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146879.
The product of its (nonzero) digits is 81, while the sum is 15.
Adding to 31103010303 its reverse (30301030113), we get a palindrome (61404040416).
The spelling of 31103010303 in words is "thirty-one billion, one hundred three million, ten thousand, three hundred three".
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