Base | Representation |
---|---|
bin | 101101100100001011010… |
… | …001100010000101100110 |
3 | 102002100020010102101202220 |
4 | 231210023101202011212 |
5 | 402300214344213410 |
6 | 10354243542013210 |
7 | 442136362303524 |
oct | 55441321420546 |
9 | 12070203371686 |
10 | 3131220304230 |
11 | aa7a4125a4a7 |
12 | 426a27417206 |
13 | 199371487935 |
14 | ab7a2499314 |
15 | 566b47a4070 |
hex | 2d90b462166 |
3131220304230 has 64 divisors (see below), whose sum is σ = 7794451378368. Its totient is φ = 804380889600.
The previous prime is 3131220304229. The next prime is 3131220304273. The reversal of 3131220304230 is 324030221313.
It is a self number, because there is not a number n which added to its sum of digits gives 3131220304230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13852837 + ... + 14077056.
It is an arithmetic number, because the mean of its divisors is an integer number (121788302787).
Almost surely, 23131220304230 is an apocalyptic number.
3131220304230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3131220304230 is an abundant number, since it is smaller than the sum of its proper divisors (4663231074138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131220304230 is a wasteful number, since it uses less digits than its factorization.
3131220304230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27930041.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 3131220304230 its reverse (324030221313), we get a palindrome (3455250525543).
The spelling of 3131220304230 in words is "three trillion, one hundred thirty-one billion, two hundred twenty million, three hundred four thousand, two hundred thirty".
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