Base | Representation |
---|---|
bin | 11101001001110000… |
… | …001010011001000001 |
3 | 2222210111111010110212 |
4 | 131021300022121001 |
5 | 1003101321231223 |
6 | 22214025203505 |
7 | 2155460512613 |
oct | 351160123101 |
9 | 88714433425 |
10 | 31302133313 |
11 | 12303269070 |
12 | 6097030595 |
13 | 2c4b099099 |
14 | 172d362db3 |
15 | c330db278 |
hex | 749c0a641 |
31302133313 has 8 divisors (see below), whose sum is σ = 34149573216. Its totient is φ = 28454992000.
The previous prime is 31302133297. The next prime is 31302133349. The reversal of 31302133313 is 31333120313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31302133313 - 24 = 31302133297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31302163313) 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, 183338 + ... + 310188.
It is an arithmetic number, because the mean of its divisors is an integer number (4268696652).
Almost surely, 231302133313 is an apocalyptic number.
It is an amenable number.
31302133313 is a deficient number, since it is larger than the sum of its proper divisors (2847439903).
31302133313 is a wasteful number, since it uses less digits than its factorization.
31302133313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149295.
The product of its (nonzero) digits is 1458, while the sum is 23.
Adding to 31302133313 its reverse (31333120313), we get a palindrome (62635253626).
The spelling of 31302133313 in words is "thirty-one billion, three hundred two million, one hundred thirty-three thousand, three hundred thirteen".
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