Base | Representation |
---|---|
bin | 1001000111011001110… |
… | …01010101111000100011 |
3 | 1002221110021211020220000 |
4 | 10203230321111320203 |
5 | 20112424244201011 |
6 | 355515422151043 |
7 | 31425454631610 |
oct | 4435471257043 |
9 | 1087407736800 |
10 | 313212100131 |
11 | 110918079717 |
12 | 50852122483 |
13 | 236c7133338 |
14 | 11233b1d507 |
15 | 823255a356 |
hex | 48ece55e23 |
313212100131 has 80 divisors (see below), whose sum is σ = 563728940544. Its totient is φ = 169431077376.
The previous prime is 313212100121. The next prime is 313212100171. The reversal of 313212100131 is 131001212313.
313212100131 is a `hidden beast` number, since 3 + 1 + 321 + 210 + 0 + 131 = 666.
313212100131 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 313212100131 - 210 = 313212099107 is a prime.
It is a super-2 number, since 2×3132121001312 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (313212100121) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1141176 + ... + 1388778.
Almost surely, 2313212100131 is an apocalyptic number.
313212100131 is a deficient number, since it is larger than the sum of its proper divisors (250516840413).
313212100131 is a wasteful number, since it uses less digits than its factorization.
313212100131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247742 (or 247733 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 313212100131 its reverse (131001212313), we get a palindrome (444213312444).
The spelling of 313212100131 in words is "three hundred thirteen billion, two hundred twelve million, one hundred thousand, one hundred thirty-one".
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