Base | Representation |
---|---|
bin | 11100111111011111… |
… | …111010110011011011 |
3 | 2222100111210002020220 |
4 | 130333133322303123 |
5 | 1002223301244003 |
6 | 22145002051123 |
7 | 2151301336536 |
oct | 347737726333 |
9 | 88314702226 |
10 | 31130103003 |
11 | 1222514a15a |
12 | 60494a9aa3 |
13 | 2c215558bc |
14 | 1714581a1d |
15 | c22e59353 |
hex | 73f7facdb |
31130103003 has 8 divisors (see below), whose sum is σ = 41680473600. Its totient is φ = 20666567208.
The previous prime is 31130102989. The next prime is 31130103019. The reversal of 31130103003 is 30030103113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31130103003 - 232 = 26835135707 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31130105003) 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, 21707863 + ... + 21709296.
It is an arithmetic number, because the mean of its divisors is an integer number (5210059200).
Almost surely, 231130103003 is an apocalyptic number.
31130103003 is a deficient number, since it is larger than the sum of its proper divisors (10550370597).
31130103003 is a wasteful number, since it uses less digits than its factorization.
31130103003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43417401.
The product of its (nonzero) digits is 81, while the sum is 15.
Adding to 31130103003 its reverse (30030103113), we get a palindrome (61160206116).
The spelling of 31130103003 in words is "thirty-one billion, one hundred thirty million, one hundred three thousand, three".
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