Base | Representation |
---|---|
bin | 1011101110011000111… |
… | …1100011110011110011 |
3 | 201020221002120222210122 |
4 | 2323212033203303303 |
5 | 11300012410143011 |
6 | 232311500320455 |
7 | 20360441042546 |
oct | 2734617436363 |
9 | 636832528718 |
10 | 201431334131 |
11 | 78476811775 |
12 | 33056b4312b |
13 | 15cc1a1bc51 |
14 | 9a6c22c85d |
15 | 538de583db |
hex | 2ee63e3cf3 |
201431334131 has 8 divisors (see below), whose sum is σ = 206759874240. Its totient is φ = 196166609128.
The previous prime is 201431334079. The next prime is 201431334151. The reversal of 201431334131 is 131433134102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 201431334131 - 210 = 201431333107 is a prime.
It is a super-2 number, since 2×2014313341312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 201431334131.
It is not an unprimeable number, because it can be changed into a prime (201431334151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15947381 + ... + 15960006.
It is an arithmetic number, because the mean of its divisors is an integer number (25844984280).
Almost surely, 2201431334131 is an apocalyptic number.
201431334131 is a deficient number, since it is larger than the sum of its proper divisors (5328540109).
201431334131 is a wasteful number, since it uses less digits than its factorization.
201431334131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31907553.
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 201431334131 its reverse (131433134102), we get a palindrome (332864468233).
The spelling of 201431334131 in words is "two hundred one billion, four hundred thirty-one million, three hundred thirty-four thousand, one hundred thirty-one".
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