Base | Representation |
---|---|
bin | 11101110101101010011001… |
… | …001000111101000100010001 |
3 | 122012122120011000201202012212 |
4 | 131311222121020331010101 |
5 | 114200042042001221223 |
6 | 1143034404504401505 |
7 | 36433061342232311 |
oct | 3565523110750421 |
9 | 565576130652185 |
10 | 131231000023313 |
11 | 388a58333676a3 |
12 | 12875544476295 |
13 | 582c05147c948 |
14 | 2459885887441 |
15 | 1028945a96278 |
hex | 775a9923d111 |
131231000023313 has 8 divisors (see below), whose sum is σ = 133190476392480. Its totient is φ = 129271547322720.
The previous prime is 131231000023229. The next prime is 131231000023373. The reversal of 131231000023313 is 313320000132131.
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 131231000023313 - 234 = 131213820154129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131231000023373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5415533 + ... + 17081861.
It is an arithmetic number, because the mean of its divisors is an integer number (16648809549060).
Almost surely, 2131231000023313 is an apocalyptic number.
It is an amenable number.
131231000023313 is a deficient number, since it is larger than the sum of its proper divisors (1959476369167).
131231000023313 is a wasteful number, since it uses less digits than its factorization.
131231000023313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11834287.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 131231000023313 its reverse (313320000132131), we get a palindrome (444551000155444).
The spelling of 131231000023313 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, twenty-three thousand, three hundred thirteen".
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