Base | Representation |
---|---|
bin | 10011001101011010… |
… | …11110010001111011 |
3 | 222121201222100021200 |
4 | 21212231132101323 |
5 | 132110130144011 |
6 | 4423210105243 |
7 | 513366111462 |
oct | 114655362173 |
9 | 28551870250 |
10 | 10313131131 |
11 | 4412548076 |
12 | 1bb9a1b223 |
13 | c84835074 |
14 | 6db9939d9 |
15 | 405612856 |
hex | 266b5e47b |
10313131131 has 24 divisors (see below), whose sum is σ = 14985297600. Its totient is φ = 6834675456.
The previous prime is 10313131123. The next prime is 10313131151. The reversal of 10313131131 is 13113131301.
10313131131 is a `hidden beast` number, since 10 + 313 + 1 + 311 + 31 = 666.
It is not a de Polignac number, because 10313131131 - 23 = 10313131123 is a prime.
It is a super-2 number, since 2×103131311312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10313131151) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1053646 + ... + 1063388.
It is an arithmetic number, because the mean of its divisors is an integer number (624387400).
Almost surely, 210313131131 is an apocalyptic number.
10313131131 is a deficient number, since it is larger than the sum of its proper divisors (4672166469).
10313131131 is a wasteful number, since it uses less digits than its factorization.
10313131131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10435 (or 10432 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 18.
Adding to 10313131131 its reverse (13113131301), we get a palindrome (23426262432).
The spelling of 10313131131 in words is "ten billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •