Base | Representation |
---|---|
bin | 11100111001100101… |
… | …111111010011100010 |
3 | 2222002121100201000211 |
4 | 130321211333103202 |
5 | 1002022420443020 |
6 | 22131102404334 |
7 | 2145656261110 |
oct | 347145772342 |
9 | 88077321024 |
10 | 31031031010 |
11 | 12184231981 |
12 | 60202906aa |
13 | 2c06b78615 |
14 | 1705352ab0 |
15 | c193d985a |
hex | 73997f4e2 |
31031031010 has 16 divisors (see below), whose sum is σ = 63835263936. Its totient is φ = 10639210608.
The previous prime is 31031030999. The next prime is 31031031011. The reversal of 31031031010 is 1013013013.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (31031031011) 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, 221650152 + ... + 221650291.
It is an arithmetic number, because the mean of its divisors is an integer number (3989703996).
Almost surely, 231031031010 is an apocalyptic number.
31031031010 is an abundant number, since it is smaller than the sum of its proper divisors (32804232926).
31031031010 is a wasteful number, since it uses less digits than its factorization.
31031031010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 443300457.
The product of its (nonzero) digits is 27, while the sum is 13.
Adding to 31031031010 its reverse (1013013013), we get a palindrome (32044044023).
The spelling of 31031031010 in words is "thirty-one billion, thirty-one million, thirty-one thousand, ten".
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