Base | Representation |
---|---|
bin | 11101110101100011010000… |
… | …101101100001100101000111 |
3 | 122012121211101100121022111010 |
4 | 131311203100231201211013 |
5 | 114144430401130003333 |
6 | 1143031100555413303 |
7 | 36432400516551123 |
oct | 3565432055414507 |
9 | 565554340538433 |
10 | 131223342422343 |
11 | 388a25638a2756 |
12 | 12873b67a54233 |
13 | 582b400b61102 |
14 | 245935a86c583 |
15 | 1028648682563 |
hex | 7758d0b61947 |
131223342422343 has 32 divisors (see below), whose sum is σ = 175787877888000. Its totient is φ = 87071250082176.
The previous prime is 131223342422327. The next prime is 131223342422387. The reversal of 131223342422343 is 343224243322131.
It is not a de Polignac number, because 131223342422343 - 24 = 131223342422327 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131223342421343) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3905556058 + ... + 3905589656.
It is an arithmetic number, because the mean of its divisors is an integer number (5493371184000).
Almost surely, 2131223342422343 is an apocalyptic number.
131223342422343 is a deficient number, since it is larger than the sum of its proper divisors (44564535465657).
131223342422343 is a wasteful number, since it uses less digits than its factorization.
131223342422343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38871.
The product of its digits is 497664, while the sum is 39.
Adding to 131223342422343 its reverse (343224243322131), we get a palindrome (474447585744474).
The spelling of 131223342422343 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred forty-two million, four hundred twenty-two thousand, three hundred forty-three".
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