Base | Representation |
---|---|
bin | 10010100111011… |
… | …100101101011101 |
3 | 210202201001201120 |
4 | 102213130231131 |
5 | 1114424043401 |
6 | 50554201153 |
7 | 10511525205 |
oct | 2247345535 |
9 | 722631646 |
10 | 312331101 |
11 | 150336a85 |
12 | 887231b9 |
13 | 4c927704 |
14 | 2d6a3405 |
15 | 1c647836 |
hex | 129dcb5d |
312331101 has 8 divisors (see below), whose sum is σ = 438359520. Its totient is φ = 197261712.
The previous prime is 312331081. The next prime is 312331109. The reversal of 312331101 is 101133213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312331101 - 25 = 312331069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312331109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2739690 + ... + 2739803.
It is an arithmetic number, because the mean of its divisors is an integer number (54794940).
Almost surely, 2312331101 is an apocalyptic number.
It is an amenable number.
312331101 is a deficient number, since it is larger than the sum of its proper divisors (126028419).
312331101 is a wasteful number, since it uses less digits than its factorization.
312331101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5479515.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 312331101 is about 17672.8916988703. The cubic root of 312331101 is about 678.4821254709.
Adding to 312331101 its reverse (101133213), we get a palindrome (413464314).
The spelling of 312331101 in words is "three hundred twelve million, three hundred thirty-one thousand, one hundred one".
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