Base | Representation |
---|---|
bin | 10010101010011… |
… | …101110100110101 |
3 | 210211012020202212 |
4 | 102222131310311 |
5 | 1120124401401 |
6 | 51023143205 |
7 | 10521331265 |
oct | 2252356465 |
9 | 724166685 |
10 | 313122101 |
11 | 1508272a6 |
12 | 88a44b05 |
13 | 4cb43766 |
14 | 2d82b7a5 |
15 | 1c751dbb |
hex | 12a9dd35 |
313122101 has 4 divisors (see below), whose sum is σ = 314606304. Its totient is φ = 311637900.
The previous prime is 313122097. The next prime is 313122107. The reversal of 313122101 is 101221313.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 313122101 - 22 = 313122097 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313122107) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741785 + ... + 742206.
It is an arithmetic number, because the mean of its divisors is an integer number (78651576).
Almost surely, 2313122101 is an apocalyptic number.
It is an amenable number.
313122101 is a deficient number, since it is larger than the sum of its proper divisors (1484203).
313122101 is a wasteful number, since it uses less digits than its factorization.
313122101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1484202.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 313122101 is about 17695.2564547678. The cubic root of 313122101 is about 679.0544101785.
Adding to 313122101 its reverse (101221313), we get a palindrome (414343414).
The spelling of 313122101 in words is "three hundred thirteen million, one hundred twenty-two thousand, one hundred one".
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