Base | Representation |
---|---|
bin | 11101110110101101100100… |
… | …011100001111100100011111 |
3 | 122012220110022220122001102211 |
4 | 131312231210130033210133 |
5 | 114202232302331101143 |
6 | 1143131454135301251 |
7 | 36441223654566631 |
oct | 3566554434174437 |
9 | 565813286561384 |
10 | 131303130331423 |
11 | 38923388008786 |
12 | 1288751481a827 |
13 | 5835aa806742b |
14 | 245d169398a51 |
15 | 102a76820949d |
hex | 776b6470f91f |
131303130331423 has 4 divisors (see below), whose sum is σ = 132184359394200. Its totient is φ = 130421901268648.
The previous prime is 131303130331409. The next prime is 131303130331519. The reversal of 131303130331423 is 324133031303131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131303130331423 - 213 = 131303130323231 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131303130335423) 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, 440614531165 + ... + 440614531462.
It is an arithmetic number, because the mean of its divisors is an integer number (33046089848550).
Almost surely, 2131303130331423 is an apocalyptic number.
131303130331423 is a deficient number, since it is larger than the sum of its proper divisors (881229062777).
131303130331423 is an equidigital number, since it uses as much as digits as its factorization.
131303130331423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 881229062776.
The product of its (nonzero) digits is 17496, while the sum is 31.
Adding to 131303130331423 its reverse (324133031303131), we get a palindrome (455436161634554).
The spelling of 131303130331423 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred thirty million, three hundred thirty-one thousand, four hundred twenty-three".
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