Base | Representation |
---|---|
bin | 1101101111100011100101… |
… | …01001010000000111111111 |
3 | 10222000010111021201211112222 |
4 | 12313301302221100013333 |
5 | 12430121222201424411 |
6 | 144135251335315555 |
7 | 6236263213450640 |
oct | 667616251200777 |
9 | 128003437654488 |
10 | 30221313311231 |
11 | 96a1872550459 |
12 | 348111481bbbb |
13 | 13b2b1c251a93 |
14 | 766a0dd3b6c7 |
15 | 3761d44384db |
hex | 1b7c72a501ff |
30221313311231 has 8 divisors (see below), whose sum is σ = 34538997423744. Its totient is φ = 25903717608600.
The previous prime is 30221313311213. The next prime is 30221313311249. The reversal of 30221313311231 is 13211331312203.
It is an interprime number because it is at equal distance from previous prime (30221313311213) and next prime (30221313311249).
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 30221313311231 - 214 = 30221313294847 is a prime.
It is a super-2 number, since 2×302213133112312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30221313311231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30221313311281) 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, 21368345 + ... + 22738706.
It is an arithmetic number, because the mean of its divisors is an integer number (4317374677968).
Almost surely, 230221313311231 is an apocalyptic number.
30221313311231 is a deficient number, since it is larger than the sum of its proper divisors (4317684112513).
30221313311231 is an equidigital number, since it uses as much as digits as its factorization.
30221313311231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44204941.
The product of its (nonzero) digits is 1944, while the sum is 26.
Adding to 30221313311231 its reverse (13211331312203), we get a palindrome (43432644623434).
The spelling of 30221313311231 in words is "thirty trillion, two hundred twenty-one billion, three hundred thirteen million, three hundred eleven thousand, two hundred thirty-one".
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