Base | Representation |
---|---|
bin | 11101110101101001101010… |
… | …000111100100011101000001 |
3 | 122012122111010001021212200111 |
4 | 131311221222013210131001 |
5 | 114200033433022144301 |
6 | 1143034154323551321 |
7 | 36433032652611310 |
oct | 3565515207443501 |
9 | 565574101255614 |
10 | 131230211131201 |
11 | 388a5469023346 |
12 | 1287536422b541 |
13 | 582bc56bb8990 |
14 | 245980cbb0277 |
15 | 10288eb6b5551 |
hex | 775a6a1e4741 |
131230211131201 has 16 divisors (see below), whose sum is σ = 163113255583488. Its totient is φ = 102802471992000.
The previous prime is 131230211131199. The next prime is 131230211131291. The reversal of 131230211131201 is 102131112032131.
It is a cyclic number.
It is not a de Polignac number, because 131230211131201 - 21 = 131230211131199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131230211131291) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7139051365 + ... + 7139069746.
It is an arithmetic number, because the mean of its divisors is an integer number (10194578473968).
Almost surely, 2131230211131201 is an apocalyptic number.
It is an amenable number.
131230211131201 is a deficient number, since it is larger than the sum of its proper divisors (31883044452287).
131230211131201 is a wasteful number, since it uses less digits than its factorization.
131230211131201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14278121232.
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 131230211131201 its reverse (102131112032131), we get a palindrome (233361323163332).
The spelling of 131230211131201 in words is "one hundred thirty-one trillion, two hundred thirty billion, two hundred eleven million, one hundred thirty-one thousand, two hundred one".
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