Base | Representation |
---|---|
bin | 101111101001000101… |
… | …0110111110010101011 |
3 | 100210002011220102001201 |
4 | 1133102022313302223 |
5 | 3134012420010011 |
6 | 115000053025031 |
7 | 10251226212205 |
oct | 1372212676253 |
9 | 323064812051 |
10 | 102310313131 |
11 | 3a4315605a4 |
12 | 179b3625177 |
13 | 9856355b30 |
14 | 4d47c15775 |
15 | 29dbe96cc1 |
hex | 17d22b7cab |
102310313131 has 16 divisors (see below), whose sum is σ = 115269130368. Its totient is φ = 90176486400.
The previous prime is 102310313129. The next prime is 102310313177. The reversal of 102310313131 is 131313013201.
It is not a de Polignac number, because 102310313131 - 21 = 102310313129 is a prime.
It is a super-2 number, since 2×1023103131312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102310313099 and 102310313108.
It is not an unprimeable number, because it can be changed into a prime (102310310131) 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, 2016990 + ... + 2067091.
It is an arithmetic number, because the mean of its divisors is an integer number (7204320648).
Almost surely, 2102310313131 is an apocalyptic number.
102310313131 is a deficient number, since it is larger than the sum of its proper divisors (12958817237).
102310313131 is a wasteful number, since it uses less digits than its factorization.
102310313131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4084182.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 102310313131 its reverse (131313013201), we get a palindrome (233623326332).
The spelling of 102310313131 in words is "one hundred two billion, three hundred ten million, three hundred thirteen thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •