Base | Representation |
---|---|
bin | 111101000011011010… |
… | …1111101101110101101 |
3 | 110112102101001202111200 |
4 | 1322012311331232231 |
5 | 4122003443443201 |
6 | 140122014240113 |
7 | 12321026523624 |
oct | 1720665755655 |
9 | 415371052450 |
10 | 131111312301 |
11 | 50670a10552 |
12 | 214b0ab6039 |
13 | c4961b6488 |
14 | 64bad106bb |
15 | 36256d1386 |
hex | 1e86d7dbad |
131111312301 has 24 divisors (see below), whose sum is σ = 195651456000. Its totient is φ = 84519007200.
The previous prime is 131111312281. The next prime is 131111312303. The reversal of 131111312301 is 103213111131.
131111312301 is a `hidden beast` number, since 1 + 311 + 11 + 312 + 30 + 1 = 666.
It is a de Polignac number, because none of the positive numbers 2k-131111312301 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131111312303) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152575 + ... + 534323.
It is an arithmetic number, because the mean of its divisors is an integer number (8152144000).
Almost surely, 2131111312301 is an apocalyptic number.
It is an amenable number.
131111312301 is a deficient number, since it is larger than the sum of its proper divisors (64540143699).
131111312301 is a wasteful number, since it uses less digits than its factorization.
131111312301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 383017 (or 383014 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 18.
Adding to 131111312301 its reverse (103213111131), we get a palindrome (234324423432).
The spelling of 131111312301 in words is "one hundred thirty-one billion, one hundred eleven million, three hundred twelve thousand, three hundred one".
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