Base | Representation |
---|---|
bin | 11100111111101100… |
… | …000111110101010101 |
3 | 2222100201210121121000 |
4 | 130333230013311111 |
5 | 1002230111131401 |
6 | 22145154413513 |
7 | 2151340462416 |
oct | 347754076525 |
9 | 88321717530 |
10 | 31133302101 |
11 | 12226a34740 |
12 | 604a591299 |
13 | 2c22105a65 |
14 | 1714b7580d |
15 | c2338c186 |
hex | 73fb07d55 |
31133302101 has 32 divisors (see below), whose sum is σ = 51387033600. Its totient is φ = 18467198640.
The previous prime is 31133302099. The next prime is 31133302127. The reversal of 31133302101 is 10120333113.
It is a happy number.
31133302101 is a `hidden beast` number, since 311 + 3 + 330 + 21 + 0 + 1 = 666.
It is not a de Polignac number, because 31133302101 - 21 = 31133302099 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31133302301) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101211 + ... + 1129128.
It is an arithmetic number, because the mean of its divisors is an integer number (1605844800).
Almost surely, 231133302101 is an apocalyptic number.
It is an amenable number.
31133302101 is a deficient number, since it is larger than the sum of its proper divisors (20253731499).
31133302101 is a wasteful number, since it uses less digits than its factorization.
31133302101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2230406 (or 2230400 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 31133302101 its reverse (10120333113), we get a palindrome (41253635214).
The spelling of 31133302101 in words is "thirty-one billion, one hundred thirty-three million, three hundred two thousand, one hundred one".
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