Base | Representation |
---|---|
bin | 101111101001101101… |
… | …0010010110100101111 |
3 | 100210010122002011212112 |
4 | 1133103122102310233 |
5 | 3134033232230411 |
6 | 115002115154235 |
7 | 10251601165205 |
oct | 1372332226457 |
9 | 323118064775 |
10 | 102331133231 |
11 | 3a442290a98 |
12 | 179ba5a597b |
13 | 985a765612 |
14 | 4d4a8b5075 |
15 | 29ddc0ab8b |
hex | 17d3692d2f |
102331133231 has 2 divisors, whose sum is σ = 102331133232. Its totient is φ = 102331133230.
The previous prime is 102331133159. The next prime is 102331133263. The reversal of 102331133231 is 132331133201.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 102331133231 - 218 = 102330871087 is a prime.
It is a super-2 number, since 2×1023311332312 (a number of 23 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 102331133197 and 102331133206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102331133291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51165566615 + 51165566616.
It is an arithmetic number, because the mean of its divisors is an integer number (51165566616).
Almost surely, 2102331133231 is an apocalyptic number.
102331133231 is a deficient number, since it is larger than the sum of its proper divisors (1).
102331133231 is an equidigital number, since it uses as much as digits as its factorization.
102331133231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 102331133231 its reverse (132331133201), we get a palindrome (234662266432).
The spelling of 102331133231 in words is "one hundred two billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred thirty-one".
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