Base | Representation |
---|---|
bin | 11100110111110011… |
… | …110110010111111101 |
3 | 2222000112001120010202 |
4 | 130313303312113331 |
5 | 1001442241010023 |
6 | 22124113213245 |
7 | 2145144041636 |
oct | 346763662775 |
9 | 88015046122 |
10 | 31001110013 |
11 | 12169355885 |
12 | 6012261225 |
13 | 2c009005a3 |
14 | 17013a488d |
15 | c16979128 |
hex | 737cf65fd |
31001110013 has 8 divisors (see below), whose sum is σ = 31072680576. Its totient is φ = 30929623200.
The previous prime is 31001110003. The next prime is 31001110033.
It is a happy number.
31001110013 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31001110013 - 26 = 31001109949 is a prime.
It is a super-2 number, since 2×310011100132 (a number of 22 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 = 31001109976 and 31001110003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31001110003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752828 + ... + 792938.
It is an arithmetic number, because the mean of its divisors is an integer number (3884085072).
Almost surely, 231001110013 is an apocalyptic number.
It is an amenable number.
31001110013 is a deficient number, since it is larger than the sum of its proper divisors (71570563).
31001110013 is an equidigital number, since it uses as much as digits as its factorization.
31001110013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41875.
The product of its (nonzero) digits is 9, while the sum is 11.
Multiplying 31001110013 by its sum of digits (11), we get a palindrome (341012210143).
The spelling of 31001110013 in words is "thirty-one billion, one million, one hundred ten thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.109 sec. • engine limits •