Base | Representation |
---|---|
bin | 11101001010010110… |
… | …111110111111000010 |
3 | 2222211012122011112222 |
4 | 131022112332333002 |
5 | 1003111422411320 |
6 | 22215031251042 |
7 | 2155643150066 |
oct | 351226767702 |
9 | 88735564488 |
10 | 31312310210 |
11 | 12308a8a125 |
12 | 609a519a82 |
13 | 2c5022030c |
14 | 1730851aa6 |
15 | c33e4b825 |
hex | 74a5befc2 |
31312310210 has 16 divisors (see below), whose sum is σ = 56385853056. Its totient is φ = 12519658608.
The previous prime is 31312310207. The next prime is 31312310287. The reversal of 31312310210 is 1201321313.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633164 + ... + 680823.
It is an arithmetic number, because the mean of its divisors is an integer number (3524115816).
Almost surely, 231312310210 is an apocalyptic number.
31312310210 is a deficient number, since it is larger than the sum of its proper divisors (25073542846).
31312310210 is a wasteful number, since it uses less digits than its factorization.
31312310210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1316377.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 31312310210 its reverse (1201321313), we get a palindrome (32513631523).
The spelling of 31312310210 in words is "thirty-one billion, three hundred twelve million, three hundred ten thousand, two hundred ten".
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