Base | Representation |
---|---|
bin | 111101000100000010… |
… | …1101001100001000111 |
3 | 110112110211101000110100 |
4 | 1322020011221201013 |
5 | 4122024320413111 |
6 | 140124042055143 |
7 | 12321402213666 |
oct | 1721005514107 |
9 | 415424330410 |
10 | 131132201031 |
11 | 50681788567 |
12 | 214b7aaa4b3 |
13 | c49a61b280 |
14 | 64bd9caddd |
15 | 362745a756 |
hex | 1e88169847 |
131132201031 has 24 divisors (see below), whose sum is σ = 210563540096. Its totient is φ = 78093616320.
The previous prime is 131132201021. The next prime is 131132201111. The reversal of 131132201031 is 130102231131.
131132201031 is a `hidden beast` number, since 1 + 311 + 322 + 0 + 1 + 0 + 31 = 666.
It is not a de Polignac number, because 131132201031 - 25 = 131132200999 is a prime.
It is a super-2 number, since 2×1311322010312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131132200995 and 131132201013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131132201021) 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, 18073600 + ... + 18080853.
Almost surely, 2131132201031 is an apocalyptic number.
131132201031 is a deficient number, since it is larger than the sum of its proper divisors (79431339065).
131132201031 is a wasteful number, since it uses less digits than its factorization.
131132201031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36154503 (or 36154500 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 131132201031 its reverse (130102231131), we get a palindrome (261234432162).
It can be divided in two parts, 13113 and 2201031, that added together give a square (2214144 = 14882).
The spelling of 131132201031 in words is "one hundred thirty-one billion, one hundred thirty-two million, two hundred one thousand, thirty-one".
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