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30220321331 = 83670354319
BaseRepresentation
bin11100001001010001…
…011000001000110011
32220000002212101102102
4130021101120020303
5443342400240311
621514422211015
72116613331044
oct341121301063
986002771372
1030220321331
11118a8646782
125a34883a6b
132b07c15b55
1416697da8cb
15bbd14943b
hex709458233

30220321331 has 8 divisors (see below), whose sum is σ = 30589547520. Its totient is φ = 29851217352.

The previous prime is 30220321321. The next prime is 30220321349. The reversal of 30220321331 is 13312302203.

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 30220321331 - 222 = 30216127027 is a prime.

It is a super-2 number, since 2×302203213312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30220321321) 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, 529190 + ... + 583508.

It is an arithmetic number, because the mean of its divisors is an integer number (3823693440).

Almost surely, 230220321331 is an apocalyptic number.

30220321331 is a deficient number, since it is larger than the sum of its proper divisors (369226189).

30220321331 is an equidigital number, since it uses as much as digits as its factorization.

30220321331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61105.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30220321331 its reverse (13312302203), we get a palindrome (43532623534).

The spelling of 30220321331 in words is "thirty billion, two hundred twenty million, three hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 83 6703 54319 556349 4508477 364100257 30220321331