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30221331011 = 198211937389
BaseRepresentation
bin11100001001010101…
…001110101001000011
32220000011202200102222
4130021111032221003
5443343130043021
621514500001255
72116625034524
oct341125165103
986004680388
1030221331011
11118a9176323
125a3509022b
132b081aa5b1
1416699c084b
15bbd2986ab
hex70954ea43

30221331011 has 8 divisors (see below), whose sum is σ = 31850691600. Its totient is φ = 28595846880.

The previous prime is 30221330989. The next prime is 30221331037. The reversal of 30221331011 is 11013312203.

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 30221331011 - 222 = 30217136707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221337011) 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, 953096 + ... + 984293.

It is an arithmetic number, because the mean of its divisors is an integer number (3981336450).

Almost surely, 230221331011 is an apocalyptic number.

30221331011 is a deficient number, since it is larger than the sum of its proper divisors (1629360589).

30221331011 is a wasteful number, since it uses less digits than its factorization.

30221331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938229.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30221331011 its reverse (11013312203), we get a palindrome (41234643214).

The spelling of 30221331011 in words is "thirty billion, two hundred twenty-one million, three hundred thirty-one thousand, eleven".

Divisors: 1 19 821 15599 1937389 36810391 1590596369 30221331011