Base | Representation |
---|---|
bin | 111101001100111101… |
… | …1001010101101101111 |
3 | 110120020200110002200202 |
4 | 1322121323022231233 |
5 | 4123132422141221 |
6 | 140213451544115 |
7 | 12331664556320 |
oct | 1723173125557 |
9 | 416220402622 |
10 | 131431443311 |
11 | 50815694733 |
12 | 2158015b03b |
13 | c5176121cc |
14 | 650b644447 |
15 | 3643869d0b |
hex | 1e99ecab6f |
131431443311 has 8 divisors (see below), whose sum is σ = 152449265280. Its totient is φ = 110974096728.
The previous prime is 131431443281. The next prime is 131431443313. The reversal of 131431443311 is 113344134131.
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 131431443311 - 214 = 131431426927 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 (131431443313) 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, 140118341 + ... + 140119278.
It is an arithmetic number, because the mean of its divisors is an integer number (19056158160).
Almost surely, 2131431443311 is an apocalyptic number.
131431443311 is a deficient number, since it is larger than the sum of its proper divisors (21017821969).
131431443311 is an equidigital number, since it uses as much as digits as its factorization.
131431443311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280237693.
The product of its digits is 5184, while the sum is 29.
Adding to 131431443311 its reverse (113344134131), we get a palindrome (244775577442).
The spelling of 131431443311 in words is "one hundred thirty-one billion, four hundred thirty-one million, four hundred forty-three thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •