Base | Representation |
---|---|
bin | 11101110110111111100010… |
… | …110111010101010100001001 |
3 | 122012222022011000200100112020 |
4 | 131312333202313111110021 |
5 | 114203041314343344431 |
6 | 1143144405252435053 |
7 | 36442506160540605 |
oct | 3566774267252411 |
9 | 565868130610466 |
10 | 131322431231241 |
11 | 38930591952458 |
12 | 1288b200618a89 |
13 | 5837862959403 |
14 | 246007a89c505 |
15 | 102aee78ce696 |
hex | 776fe2dd5509 |
131322431231241 has 12 divisors (see below), whose sum is σ = 181342588354512. Its totient is φ = 84529381020784.
The previous prime is 131322431231239. The next prime is 131322431231249. The reversal of 131322431231241 is 142132134223131.
It is not a de Polignac number, because 131322431231241 - 21 = 131322431231239 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131322431231249) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26025053211 + ... + 26025058256.
It is an arithmetic number, because the mean of its divisors is an integer number (15111882362876).
Almost surely, 2131322431231241 is an apocalyptic number.
It is an amenable number.
131322431231241 is a deficient number, since it is larger than the sum of its proper divisors (50020157123271).
131322431231241 is an equidigital number, since it uses as much as digits as its factorization.
131322431231241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52050111528 (or 52050111499 counting only the distinct ones).
The product of its digits is 20736, while the sum is 33.
Adding to 131322431231241 its reverse (142132134223131), we get a palindrome (273454565454372).
The spelling of 131322431231241 in words is "one hundred thirty-one trillion, three hundred twenty-two billion, four hundred thirty-one million, two hundred thirty-one thousand, two hundred forty-one".
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