Base | Representation |
---|---|
bin | 11101110101101100011000… |
… | …110001101101010101101111 |
3 | 122012122202200021010121221120 |
4 | 131311230120301231111233 |
5 | 114200110433200210411 |
6 | 1143035401202032023 |
7 | 36433165403603514 |
oct | 3565543061552557 |
9 | 565582607117846 |
10 | 131233141413231 |
11 | 388a67320a5630 |
12 | 12875a41648613 |
13 | 582c302cccb80 |
14 | 2459a0a02930b |
15 | 1028a1da87106 |
hex | 775b18c6d56f |
131233141413231 has 64 divisors (see below), whose sum is σ = 216510465024000. Its totient is φ = 69568782560640.
The previous prime is 131233141413211. The next prime is 131233141413287. The reversal of 131233141413231 is 132314141332131.
It is a happy number.
It is not a de Polignac number, because 131233141413231 - 234 = 131215961544047 is a prime.
It is a super-2 number, since 2×1312331414132312 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 131233141413192 and 131233141413201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131233141413211) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61094731 + ... + 63206268.
It is an arithmetic number, because the mean of its divisors is an integer number (3382976016000).
Almost surely, 2131233141413231 is an apocalyptic number.
131233141413231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
131233141413231 is a deficient number, since it is larger than the sum of its proper divisors (85277323610769).
131233141413231 is a wasteful number, since it uses less digits than its factorization.
131233141413231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124301156.
The product of its digits is 15552, while the sum is 33.
Adding to 131233141413231 its reverse (132314141332131), we get a palindrome (263547282745362).
The spelling of 131233141413231 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, one hundred forty-one million, four hundred thirteen thousand, two hundred thirty-one".
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