Base | Representation |
---|---|
bin | 11101110101001110100100… |
… | …110001000101110010101001 |
3 | 122012112201001100121202120021 |
4 | 131311032210301011302221 |
5 | 114144044403330314423 |
6 | 1143012544525200441 |
7 | 36430653214043254 |
oct | 3565164461056251 |
9 | 565481040552507 |
10 | 131201130323113 |
11 | 388940a572a854 |
12 | 1286b7a9100121 |
13 | 58292a10a9926 |
14 | 245825087a09b |
15 | 1027c9860995d |
hex | 7753a4c45ca9 |
131201130323113 has 4 divisors (see below), whose sum is σ = 131201333000388. Its totient is φ = 131200927645840.
The previous prime is 131201130323101. The next prime is 131201130323117. The reversal of 131201130323113 is 311323031102131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 47704811755689 + 83496318567424 = 6906867^2 + 9137632^2 .
It is a cyclic number.
It is not a de Polignac number, because 131201130323113 - 29 = 131201130322601 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131201130323117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100364506 + ... + 101663347.
It is an arithmetic number, because the mean of its divisors is an integer number (32800333250097).
Almost surely, 2131201130323113 is an apocalyptic number.
It is an amenable number.
131201130323113 is a deficient number, since it is larger than the sum of its proper divisors (202677275).
131201130323113 is an equidigital number, since it uses as much as digits as its factorization.
131201130323113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202677274.
The product of its (nonzero) digits is 972, while the sum is 25.
Adding to 131201130323113 its reverse (311323031102131), we get a palindrome (442524161425244).
The spelling of 131201130323113 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred thirty million, three hundred twenty-three thousand, one hundred thirteen".
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