Base | Representation |
---|---|
bin | 10111001111001111111111… |
… | …010111110001101101100011 |
3 | 111101212111212222020120102021 |
4 | 113033033333113301231203 |
5 | 101343443301443400311 |
6 | 1001211231355402311 |
7 | 30345632250504412 |
oct | 2717177727615543 |
9 | 441774788216367 |
10 | 102203031231331 |
11 | 2a624075780118 |
12 | b567770453397 |
13 | 45049209c7294 |
14 | 1b34920199479 |
15 | bc3806dd4171 |
hex | 5cf3ff5f1b63 |
102203031231331 has 2 divisors, whose sum is σ = 102203031231332. Its totient is φ = 102203031231330.
The previous prime is 102203031231239. The next prime is 102203031231373. The reversal of 102203031231331 is 133132130302201.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 102203031231331 - 29 = 102203031230819 is a prime.
It is a super-3 number, since 3×1022030312313313 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 102203031231296 and 102203031231305.
It is not a weakly prime, because it can be changed into another prime (102203031241331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101515615665 + 51101515615666.
It is an arithmetic number, because the mean of its divisors is an integer number (51101515615666).
Almost surely, 2102203031231331 is an apocalyptic number.
102203031231331 is a deficient number, since it is larger than the sum of its proper divisors (1).
102203031231331 is an equidigital number, since it uses as much as digits as its factorization.
102203031231331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 102203031231331 its reverse (133132130302201), we get a palindrome (235335161533532).
The spelling of 102203031231331 in words is "one hundred two trillion, two hundred three billion, thirty-one million, two hundred thirty-one thousand, three hundred thirty-one".
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