Base | Representation |
---|---|
bin | 111101000000101100… |
… | …1110000000101011111 |
3 | 110112012000022011010221 |
4 | 1322001121300011133 |
5 | 4121312111432203 |
6 | 140104553542211 |
7 | 12315540611431 |
oct | 1720131600537 |
9 | 415160264127 |
10 | 131020030303 |
11 | 50624433a88 |
12 | 21486414967 |
13 | c480305b66 |
14 | 64acb4c651 |
15 | 361c69eabd |
hex | 1e8167015f |
131020030303 has 2 divisors, whose sum is σ = 131020030304. Its totient is φ = 131020030302.
The previous prime is 131020030283. The next prime is 131020030331. The reversal of 131020030303 is 303030020131.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131020030303 is a prime.
It is a super-3 number, since 3×1310200303033 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131020030333) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510015151 + 65510015152.
It is an arithmetic number, because the mean of its divisors is an integer number (65510015152).
Almost surely, 2131020030303 is an apocalyptic number.
131020030303 is a deficient number, since it is larger than the sum of its proper divisors (1).
131020030303 is an equidigital number, since it uses as much as digits as its factorization.
131020030303 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 131020030303 its reverse (303030020131), we get a palindrome (434050050434).
The spelling of 131020030303 in words is "one hundred thirty-one billion, twenty million, thirty thousand, three hundred three".
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