Base | Representation |
---|---|
bin | 111101000011001011… |
… | …0101001010101111011 |
3 | 110112101210121122112201 |
4 | 1322012112221111323 |
5 | 4121444343233311 |
6 | 140121122251031 |
7 | 12320566661065 |
oct | 1720626512573 |
9 | 415353548481 |
10 | 131103102331 |
11 | 50667313253 |
12 | 214aa1b6a77 |
13 | c4945a05c6 |
14 | 64b9bb4735 |
15 | 3624b0d9c1 |
hex | 1e865a957b |
131103102331 has 2 divisors, whose sum is σ = 131103102332. Its totient is φ = 131103102330.
The previous prime is 131103102311. The next prime is 131103102337. The reversal of 131103102331 is 133201301131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131103102331 - 219 = 131102578043 is a prime.
It is a super-2 number, since 2×1311031023312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131103102299 and 131103102308.
It is not a weakly prime, because it can be changed into another prime (131103102337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65551551165 + 65551551166.
It is an arithmetic number, because the mean of its divisors is an integer number (65551551166).
Almost surely, 2131103102331 is an apocalyptic number.
131103102331 is a deficient number, since it is larger than the sum of its proper divisors (1).
131103102331 is an equidigital number, since it uses as much as digits as its factorization.
131103102331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 131103102331 its reverse (133201301131), we get a palindrome (264304403462).
The spelling of 131103102331 in words is "one hundred thirty-one billion, one hundred three million, one hundred two thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •