Base | Representation |
---|---|
bin | 111101000001000000… |
… | …0101010100100001111 |
3 | 110112012201111102022001 |
4 | 1322002000222210033 |
5 | 4121322214400221 |
6 | 140110000333131 |
7 | 12316023406120 |
oct | 1720200524417 |
9 | 415181442261 |
10 | 131030231311 |
11 | 5062a171171 |
12 | 214899141a7 |
13 | c482468065 |
14 | 64b0246047 |
15 | 361d517391 |
hex | 1e8202a90f |
131030231311 has 8 divisors (see below), whose sum is σ = 153796101920. Its totient is φ = 109276177248.
The previous prime is 131030231291. The next prime is 131030231329. The reversal of 131030231311 is 113132030131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131030231311 - 25 = 131030231279 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 (131030231351) 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, 252953856 + ... + 252954373.
It is an arithmetic number, because the mean of its divisors is an integer number (19224512740).
Almost surely, 2131030231311 is an apocalyptic number.
131030231311 is a deficient number, since it is larger than the sum of its proper divisors (22765870609).
131030231311 is an equidigital number, since it uses as much as digits as its factorization.
131030231311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 505908273.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 131030231311 its reverse (113132030131), we get a palindrome (244162261442).
The spelling of 131030231311 in words is "one hundred thirty-one billion, thirty million, two hundred thirty-one thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •