Base | Representation |
---|---|
bin | 111101000011000101… |
… | …1101010011000011001 |
3 | 110112101121012100211212 |
4 | 1322012023222120121 |
5 | 4121443124114001 |
6 | 140120540432505 |
7 | 12320533336406 |
oct | 1720613523031 |
9 | 415347170755 |
10 | 131100223001 |
11 | 50665726a40 |
12 | 214a9248735 |
13 | c493b02b67 |
14 | 64b96652ad |
15 | 36247407bb |
hex | 1e862ea619 |
131100223001 has 16 divisors (see below), whose sum is σ = 143300078208. Its totient is φ = 118947494400.
The previous prime is 131100222977. The next prime is 131100223013. The reversal of 131100223001 is 100322001131.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131100223001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131100223301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26107871 + ... + 26112891.
It is an arithmetic number, because the mean of its divisors is an integer number (8956254888).
Almost surely, 2131100223001 is an apocalyptic number.
131100223001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
131100223001 is a deficient number, since it is larger than the sum of its proper divisors (12199855207).
131100223001 is a wasteful number, since it uses less digits than its factorization.
131100223001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9232.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 131100223001 its reverse (100322001131), we get a palindrome (231422224132).
The spelling of 131100223001 in words is "one hundred thirty-one billion, one hundred million, two hundred twenty-three thousand, one".
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