Base | Representation |
---|---|
bin | 11101110110111101010001… |
… | …111101110011011001110111 |
3 | 122012222001212121022202011102 |
4 | 131312331101331303121313 |
5 | 114203021330024343111 |
6 | 1143143324132000315 |
7 | 36442362011431463 |
oct | 3566752175633167 |
9 | 565861777282142 |
10 | 131320000231031 |
11 | 3892a554696a77 |
12 | 1288a84246009b |
13 | 5837566108451 |
14 | 245dcc9a8d4a3 |
15 | 102ae0428313b |
hex | 776f51f73677 |
131320000231031 has 8 divisors (see below), whose sum is σ = 139047167285280. Its totient is φ = 123593106638848.
The previous prime is 131320000231019. The next prime is 131320000231033. The reversal of 131320000231031 is 130132000023131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131320000231031 - 26 = 131320000230967 is a prime.
It is a super-2 number, since 2×1313200002310312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131320000230994 and 131320000231012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131320000231033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67376426 + ... + 69298071.
It is an arithmetic number, because the mean of its divisors is an integer number (17380895910660).
Almost surely, 2131320000231031 is an apocalyptic number.
131320000231031 is a deficient number, since it is larger than the sum of its proper divisors (7727167054249).
131320000231031 is a wasteful number, since it uses less digits than its factorization.
131320000231031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136731033.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 131320000231031 its reverse (130132000023131), we get a palindrome (261452000254162).
The spelling of 131320000231031 in words is "one hundred thirty-one trillion, three hundred twenty billion, two hundred thirty-one thousand, thirty-one".
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