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30220303321 = 1314531599889
BaseRepresentation
bin11100001001010001…
…010011101111011001
32220000002211110201101
4130021101103233121
5443342344201241
621514421551401
72116613224405
oct341121235731
986002743641
1030220303321
11118a863419a
125a34875561
132b07c0a8b0
1416697d4105
15bbd143e31
hex709453bd9

30220303321 has 8 divisors (see below), whose sum is σ = 32567360840. Its totient is φ = 27876448512.

The previous prime is 30220303297. The next prime is 30220303381. The reversal of 30220303321 is 12330302203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9719790921 + 20500512400 = 98589^2 + 143180^2 .

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 30220303321 - 223 = 30211914713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30220303381) 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, 781056 + ... + 818833.

It is an arithmetic number, because the mean of its divisors is an integer number (4070920105).

Almost surely, 230220303321 is an apocalyptic number.

It is an amenable number.

30220303321 is a deficient number, since it is larger than the sum of its proper divisors (2347057519).

30220303321 is a wasteful number, since it uses less digits than its factorization.

30220303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601355.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30220303321 its reverse (12330302203), we get a palindrome (42550605524).

The spelling of 30220303321 in words is "thirty billion, two hundred twenty million, three hundred three thousand, three hundred twenty-one".

Divisors: 1 13 1453 18889 1599889 20798557 2324638717 30220303321