Base | Representation |
---|---|
bin | 11100111101101101… |
… | …011101111010000110 |
3 | 2222021102022210012002 |
4 | 130331231131322012 |
5 | 1002143111201410 |
6 | 22142011025302 |
7 | 2150455330103 |
oct | 347555357206 |
9 | 88242283162 |
10 | 31100100230 |
11 | 1220a217681 |
12 | 603b43b232 |
13 | 2c1827c594 |
14 | 17105b1aaa |
15 | c204ce7a5 |
hex | 73db5de86 |
31100100230 has 32 divisors (see below), whose sum is σ = 57936816000. Its totient is φ = 12011489280.
The previous prime is 31100100223. The next prime is 31100100253. The reversal of 31100100230 is 3200100113.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351230 + ... + 430769.
It is an arithmetic number, because the mean of its divisors is an integer number (1810525500).
Almost surely, 231100100230 is an apocalyptic number.
31100100230 is a deficient number, since it is larger than the sum of its proper divisors (26836715770).
31100100230 is a wasteful number, since it uses less digits than its factorization.
31100100230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 782144.
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 31100100230 its reverse (3200100113), we get a palindrome (34300200343).
The spelling of 31100100230 in words is "thirty-one billion, one hundred million, one hundred thousand, two hundred thirty".
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