Base | Representation |
---|---|
bin | 11101000011101110… |
… | …011010110111101110 |
3 | 2222112110012200210121 |
4 | 131003232122313232 |
5 | 1002344424410410 |
6 | 22200013555154 |
7 | 2153122144102 |
oct | 350356326756 |
9 | 88473180717 |
10 | 31201013230 |
11 | 12261182052 |
12 | 60691a5aba |
13 | 2c3315280a |
14 | 171db5d902 |
15 | c292b49da |
hex | 743b9adee |
31201013230 has 16 divisors (see below), whose sum is σ = 56212761024. Its totient is φ = 12469085920.
The previous prime is 31201013209. The next prime is 31201013231. The reversal of 31201013230 is 3231010213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31201013231) 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, 1403341 + ... + 1425400.
It is an arithmetic number, because the mean of its divisors is an integer number (3513297564).
Almost surely, 231201013230 is an apocalyptic number.
31201013230 is a deficient number, since it is larger than the sum of its proper divisors (25011747794).
31201013230 is a wasteful number, since it uses less digits than its factorization.
31201013230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2829851.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 31201013230 its reverse (3231010213), we get a palindrome (34432023443).
The spelling of 31201013230 in words is "thirty-one billion, two hundred one million, thirteen thousand, two hundred thirty".
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