Base | Representation |
---|---|
bin | 101010101001101… |
… | …0000110101000111 |
3 | 10200201220002000100 |
4 | 1111103100311013 |
5 | 10412331104111 |
6 | 354001415143 |
7 | 50315155125 |
oct | 12523206507 |
9 | 3621802010 |
10 | 1431113031 |
11 | 67490a447 |
12 | 33b33a4b3 |
13 | 19a65325a |
14 | d80d0915 |
15 | 8598d756 |
hex | 554d0d47 |
1431113031 has 12 divisors (see below), whose sum is σ = 2067502320. Its totient is φ = 953918880.
The previous prime is 1431113017. The next prime is 1431113051. The reversal of 1431113031 is 1303111341.
It is not a de Polignac number, because 1431113031 - 25 = 1431112999 is a prime.
It is a super-2 number, since 2×14311130312 = 4096169014996013922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1431112995 and 1431113013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431113051) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79291 + ... + 95651.
It is an arithmetic number, because the mean of its divisors is an integer number (172291860).
Almost surely, 21431113031 is an apocalyptic number.
1431113031 is a deficient number, since it is larger than the sum of its proper divisors (636389289).
1431113031 is a wasteful number, since it uses less digits than its factorization.
1431113031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26086 (or 26083 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 1431113031 is about 37830.0545994848. The cubic root of 1431113031 is about 1126.9153954177.
Adding to 1431113031 its reverse (1303111341), we get a palindrome (2734224372).
The spelling of 1431113031 in words is "one billion, four hundred thirty-one million, one hundred thirteen thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •