Base | Representation |
---|---|
bin | 111101000011000111… |
… | …1100000100011001110 |
3 | 110112101200002120222122 |
4 | 1322012033200203032 |
5 | 4121443403400220 |
6 | 140121014212542 |
7 | 12320545036160 |
oct | 1720617404316 |
9 | 415350076878 |
10 | 131101231310 |
11 | 50666255555 |
12 | 214a9654152 |
13 | c494096aaa |
14 | 64b9848930 |
15 | 362488e425 |
hex | 1e863e08ce |
131101231310 has 32 divisors (see below), whose sum is σ = 272168233920. Its totient is φ = 44536614912.
The previous prime is 131101231199. The next prime is 131101231319. The reversal of 131101231310 is 13132101131.
It is a super-2 number, since 2×1311012313102 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131101231319) 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, 8583539 + ... + 8598798.
It is an arithmetic number, because the mean of its divisors is an integer number (8505257310).
Almost surely, 2131101231310 is an apocalyptic number.
131101231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131101231310 is an abundant number, since it is smaller than the sum of its proper divisors (141067002610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131101231310 is a wasteful number, since it uses less digits than its factorization.
131101231310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17182460.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 131101231310 its reverse (13132101131), we get a palindrome (144233332441).
The spelling of 131101231310 in words is "one hundred thirty-one billion, one hundred one million, two hundred thirty-one thousand, three hundred ten".
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