Base | Representation |
---|---|
bin | 11100111001100010… |
… | …011110111101111010 |
3 | 2222002112122000112221 |
4 | 130321202132331322 |
5 | 1002022202041442 |
6 | 22131030554254 |
7 | 2145645413122 |
oct | 347142367572 |
9 | 88075560487 |
10 | 31030112122 |
11 | 12183764569 |
12 | 601bb0898a |
13 | 2c069162b9 |
14 | 1705193c82 |
15 | c192a7467 |
hex | 73989ef7a |
31030112122 has 8 divisors (see below), whose sum is σ = 46547204256. Its totient is φ = 15514377372.
The previous prime is 31030112093. The next prime is 31030112131. The reversal of 31030112122 is 22121103013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 31030112096 and 31030112105.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280128 + ... + 374875.
It is an arithmetic number, because the mean of its divisors is an integer number (5818400532).
Almost surely, 231030112122 is an apocalyptic number.
31030112122 is a deficient number, since it is larger than the sum of its proper divisors (15517092134).
31030112122 is a wasteful number, since it uses less digits than its factorization.
31030112122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678692.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 31030112122 its reverse (22121103013), we get a palindrome (53151215135).
The spelling of 31030112122 in words is "thirty-one billion, thirty million, one hundred twelve thousand, one hundred twenty-two".
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