Base | Representation |
---|---|
bin | 1110001010000000010111… |
… | …11000000111100110110001 |
3 | 11002020000021202000221122202 |
4 | 13011000023320013212301 |
5 | 13040013442242101001 |
6 | 150112551500312545 |
7 | 6362035306650035 |
oct | 705001370074661 |
9 | 132200252027582 |
10 | 31130122222001 |
11 | 9a122354852a0 |
12 | 35a9286b42755 |
13 | 144a733a03a0a |
14 | 7989c51d61c5 |
15 | 38eb74e9796b |
hex | 1c500be079b1 |
31130122222001 has 8 divisors (see below), whose sum is σ = 34296372278208. Its totient is φ = 28019911990000.
The previous prime is 31130122221983. The next prime is 31130122222019. The reversal of 31130122222001 is 10022222103113.
It is an interprime number because it is at equal distance from previous prime (31130122221983) and next prime (31130122222019).
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 31130122222001 - 230 = 31129048480177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31130122228001) 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, 14009954885 + ... + 14009957106.
It is an arithmetic number, because the mean of its divisors is an integer number (4287046534776).
Almost surely, 231130122222001 is an apocalyptic number.
It is an amenable number.
31130122222001 is a deficient number, since it is larger than the sum of its proper divisors (3166250056207).
31130122222001 is a wasteful number, since it uses less digits than its factorization.
31130122222001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28019912103.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 31130122222001 its reverse (10022222103113), we get a palindrome (41152344325114).
The spelling of 31130122222001 in words is "thirty-one trillion, one hundred thirty billion, one hundred twenty-two million, two hundred twenty-two thousand, one".
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