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30221330331 = 329347371613
BaseRepresentation
bin11100001001010101…
…001110011110011011
32220000011202122111210
4130021111032132123
5443343130032311
621514455554203
72116625032533
oct341125163633
986004678453
1030221330331
11118a9175865
125a3508b963
132b081aa1aa
1416699c04c3
15bbd2983a6
hex70954e79b

30221330331 has 8 divisors (see below), whose sum is σ = 41684593680. Its totient is φ = 19452810272.

The previous prime is 30221330303. The next prime is 30221330333. The reversal of 30221330331 is 13303312203.

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 30221330331 - 26 = 30221330267 is a prime.

It is a super-2 number, since 2×302213303312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30221330298 and 30221330307.

It is not an unprimeable number, because it can be changed into a prime (30221330333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173685720 + ... + 173685893.

It is an arithmetic number, because the mean of its divisors is an integer number (5210574210).

Almost surely, 230221330331 is an apocalyptic number.

30221330331 is a deficient number, since it is larger than the sum of its proper divisors (11463263349).

30221330331 is a wasteful number, since it uses less digits than its factorization.

30221330331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347371645.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30221330331 its reverse (13303312203), we get a palindrome (43524642534).

The spelling of 30221330331 in words is "thirty billion, two hundred twenty-one million, three hundred thirty thousand, three hundred thirty-one".

Divisors: 1 3 29 87 347371613 1042114839 10073776777 30221330331