Base | Representation |
---|---|
bin | 111000111101110000… |
… | …0111000110011011011 |
3 | 102200202110221002011212 |
4 | 1301323200320303123 |
5 | 4001013303200011 |
6 | 132110452213335 |
7 | 11560324630352 |
oct | 1617340706333 |
9 | 380673832155 |
10 | 122331303131 |
11 | 47975916724 |
12 | 1b86060a24b |
13 | b6c719c68b |
14 | 5cc6c02999 |
15 | 32ae9ac08b |
hex | 1c7b838cdb |
122331303131 has 4 divisors (see below), whose sum is σ = 122332530264. Its totient is φ = 122330076000.
The previous prime is 122331303067. The next prime is 122331303181. The reversal of 122331303131 is 131303133221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 122331303131 - 26 = 122331303067 is a prime.
It is a super-2 number, since 2×1223313031312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122331303097 and 122331303106.
It is not an unprimeable number, because it can be changed into a prime (122331303181) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449390 + ... + 668291.
It is an arithmetic number, because the mean of its divisors is an integer number (30583132566).
Almost surely, 2122331303131 is an apocalyptic number.
122331303131 is a deficient number, since it is larger than the sum of its proper divisors (1227133).
122331303131 is a wasteful number, since it uses less digits than its factorization.
122331303131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1227132.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 122331303131 its reverse (131303133221), we get a palindrome (253634436352).
The spelling of 122331303131 in words is "one hundred twenty-two billion, three hundred thirty-one million, three hundred three thousand, one hundred thirty-one".
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