Base | Representation |
---|---|
bin | 1110001001001000101010… |
… | …00010101000001111110010 |
3 | 11002010011002012011122112111 |
4 | 13010210111002220033302 |
5 | 13034021213031413020 |
6 | 150051123443315534 |
7 | 6356626140322150 |
oct | 704442502501762 |
9 | 132104065148474 |
10 | 31100211201010 |
11 | 9a00586495536 |
12 | 35a351997bbaa |
13 | 1447977bc3c23 |
14 | 7973889103d0 |
15 | 38dec4097d5a |
hex | 1c49150a83f2 |
31100211201010 has 64 divisors (see below), whose sum is σ = 65542818781440. Its totient is φ = 10402094177280.
The previous prime is 31100211201001. The next prime is 31100211201019. The reversal of 31100211201010 is 1010211200113.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (31100211201001) and next prime (31100211201019).
It is not an unprimeable number, because it can be changed into a prime (31100211201019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39384382 + ... + 40166278.
It is an arithmetic number, because the mean of its divisors is an integer number (1024106543460).
Almost surely, 231100211201010 is an apocalyptic number.
31100211201010 is an abundant number, since it is smaller than the sum of its proper divisors (34442607580430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31100211201010 is a wasteful number, since it uses less digits than its factorization.
31100211201010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 795811.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 31100211201010 its reverse (1010211200113), we get a palindrome (32110422401123).
The spelling of 31100211201010 in words is "thirty-one trillion, one hundred billion, two hundred eleven million, two hundred one thousand, ten".
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