Base | Representation |
---|---|
bin | 11101001011011010… |
… | …110110001111110011 |
3 | 2222212110002222211220 |
4 | 131023122312033303 |
5 | 1003131001201321 |
6 | 22220504440123 |
7 | 2156250313014 |
oct | 351332661763 |
9 | 88773088756 |
10 | 31330100211 |
11 | 12318030003 |
12 | 60a4479043 |
13 | 2c53b0b847 |
14 | 1732d6300b |
15 | c357b29c6 |
hex | 74b6b63f3 |
31330100211 has 8 divisors (see below), whose sum is σ = 41774614224. Its totient is φ = 20886159840.
The previous prime is 31330100201. The next prime is 31330100257. The reversal of 31330100211 is 11200103313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31330100211 - 27 = 31330100083 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31330100201) 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, 6381 + ... + 250401.
It is an arithmetic number, because the mean of its divisors is an integer number (5221826778).
Almost surely, 231330100211 is an apocalyptic number.
31330100211 is a deficient number, since it is larger than the sum of its proper divisors (10444514013).
31330100211 is a wasteful number, since it uses less digits than its factorization.
31330100211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286821.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 31330100211 its reverse (11200103313), we get a palindrome (42530203524).
The spelling of 31330100211 in words is "thirty-one billion, three hundred thirty million, one hundred thousand, two hundred eleven".
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