Base | Representation |
---|---|
bin | 10010101011101… |
… | …001010001100101 |
3 | 210211202221200210 |
4 | 102223221101211 |
5 | 1120214244031 |
6 | 51033530033 |
7 | 10524056262 |
oct | 2253512145 |
9 | 724687623 |
10 | 313431141 |
11 | 150a18501 |
12 | 88b73919 |
13 | 4cc2131a |
14 | 2d8ac269 |
15 | 1c7b3746 |
hex | 12ae9465 |
313431141 has 16 divisors (see below), whose sum is σ = 422812224. Its totient is φ = 206511744.
The previous prime is 313431089. The next prime is 313431149. The reversal of 313431141 is 141134313.
It is not a de Polignac number, because 313431141 - 26 = 313431077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313431149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177921 + ... + 179673.
It is an arithmetic number, because the mean of its divisors is an integer number (26425764).
Almost surely, 2313431141 is an apocalyptic number.
It is an amenable number.
313431141 is a deficient number, since it is larger than the sum of its proper divisors (109381083).
313431141 is a wasteful number, since it uses less digits than its factorization.
313431141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2420.
The product of its digits is 432, while the sum is 21.
The square root of 313431141 is about 17703.9865849475. The cubic root of 313431141 is about 679.2777373006.
Adding to 313431141 its reverse (141134313), we get a palindrome (454565454).
The spelling of 313431141 in words is "three hundred thirteen million, four hundred thirty-one thousand, one hundred forty-one".
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