Base | Representation |
---|---|
bin | 1001000101001101000… |
… | …00101100010001001101 |
3 | 1002211101222210222212002 |
4 | 10202212200230101031 |
5 | 20103014443424401 |
6 | 355202320122045 |
7 | 31354265501600 |
oct | 4424640542115 |
9 | 1084358728762 |
10 | 312031233101 |
11 | 110371550855 |
12 | 50582766325 |
13 | 235695aa753 |
14 | 11160d70337 |
15 | 81b3a4da6b |
hex | 48a682c44d |
312031233101 has 48 divisors (see below), whose sum is σ = 387067665600. Its totient is φ = 250076719872.
The previous prime is 312031233023. The next prime is 312031233103. The reversal of 312031233101 is 101332130213.
It is not a de Polignac number, because 312031233101 - 210 = 312031232077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312031233103) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149367665 + ... + 149369753.
It is an arithmetic number, because the mean of its divisors is an integer number (8063909700).
Almost surely, 2312031233101 is an apocalyptic number.
It is an amenable number.
312031233101 is a deficient number, since it is larger than the sum of its proper divisors (75036432499).
312031233101 is a wasteful number, since it uses less digits than its factorization.
312031233101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4138 (or 4131 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 312031233101 its reverse (101332130213), we get a palindrome (413363363314).
The spelling of 312031233101 in words is "three hundred twelve billion, thirty-one million, two hundred thirty-three thousand, one hundred one".
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