Base | Representation |
---|---|
bin | 11101010001101001… |
… | …010000010001101101 |
3 | 10000010201122002111110 |
4 | 131101221100101231 |
5 | 1003334220241031 |
6 | 22235115142233 |
7 | 2161656116424 |
oct | 352151202155 |
9 | 100121562443 |
10 | 31434540141 |
11 | 12370a842a4 |
12 | 6113444979 |
13 | 2c6c648214 |
14 | 1742b8c2bb |
15 | c3ea42c46 |
hex | 751a5046d |
31434540141 has 32 divisors (see below), whose sum is σ = 43908415488. Its totient is φ = 19982885760.
The previous prime is 31434540133. The next prime is 31434540199. The reversal of 31434540141 is 14104543413.
It is not a de Polignac number, because 31434540141 - 23 = 31434540133 is a prime.
It is a super-2 number, since 2×314345401412 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31434540099 and 31434540108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31434540341) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4754460 + ... + 4761066.
It is an arithmetic number, because the mean of its divisors is an integer number (1372137984).
Almost surely, 231434540141 is an apocalyptic number.
It is an amenable number.
31434540141 is a deficient number, since it is larger than the sum of its proper divisors (12473875347).
31434540141 is a wasteful number, since it uses less digits than its factorization.
31434540141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7521.
The product of its (nonzero) digits is 11520, while the sum is 30.
The spelling of 31434540141 in words is "thirty-one billion, four hundred thirty-four million, five hundred forty thousand, one hundred forty-one".
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