Base | Representation |
---|---|
bin | 1110001101001110111100… |
… | …00001101000010011111101 |
3 | 11002121121112112202010102212 |
4 | 13012213132001220103331 |
5 | 13043323103130104041 |
6 | 150235532154030205 |
7 | 6403042436323340 |
oct | 706473601502375 |
9 | 132547475663385 |
10 | 31241022113021 |
11 | 9a55274592896 |
12 | 3606877118365 |
13 | 14580287897c6 |
14 | 7a0105b08457 |
15 | 3929b60998eb |
hex | 1c69de0684fd |
31241022113021 has 8 divisors (see below), whose sum is σ = 35720732834880. Its totient is φ = 26765488281888.
The previous prime is 31241022113017. The next prime is 31241022113027. The reversal of 31241022113021 is 12031122014213.
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 31241022113021 - 22 = 31241022113017 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31241022113027) 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, 1044206651 + ... + 1044236568.
It is an arithmetic number, because the mean of its divisors is an integer number (4465091604360).
Almost surely, 231241022113021 is an apocalyptic number.
It is an amenable number.
31241022113021 is a deficient number, since it is larger than the sum of its proper divisors (4479710721859).
31241022113021 is a wasteful number, since it uses less digits than its factorization.
31241022113021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2088445363.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 31241022113021 its reverse (12031122014213), we get a palindrome (43272144127234).
The spelling of 31241022113021 in words is "thirty-one trillion, two hundred forty-one billion, twenty-two million, one hundred thirteen thousand, twenty-one".
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