Base | Representation |
---|---|
bin | 10010101010011… |
… | …001001011111101 |
3 | 210211011021201011 |
4 | 102222121023331 |
5 | 1120123244401 |
6 | 51022515221 |
7 | 10521222013 |
oct | 2252311375 |
9 | 724137634 |
10 | 313103101 |
11 | 150813aa3 |
12 | 88a35b11 |
13 | 4cb37c0c |
14 | 2d8248b3 |
15 | 1c74b451 |
hex | 12a992fd |
313103101 has 4 divisors (see below), whose sum is σ = 320739804. Its totient is φ = 305466400.
The previous prime is 313103051. The next prime is 313103137. The reversal of 313103101 is 101301313.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 115025625 + 198077476 = 10725^2 + 14074^2 .
It is a de Polignac number, because none of the positive numbers 2k-313103101 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 (313103191) 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, 3818290 + ... + 3818371.
It is an arithmetic number, because the mean of its divisors is an integer number (80184951).
Almost surely, 2313103101 is an apocalyptic number.
It is an amenable number.
313103101 is a deficient number, since it is larger than the sum of its proper divisors (7636703).
313103101 is an equidigital number, since it uses as much as digits as its factorization.
313103101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7636702.
The product of its (nonzero) digits is 27, while the sum is 13.
The square root of 313103101 is about 17694.7195795808. The cubic root of 313103101 is about 679.0406750736.
Adding to 313103101 its reverse (101301313), we get a palindrome (414404414).
The spelling of 313103101 in words is "three hundred thirteen million, one hundred three thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •