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30321040321 = 1113212035247
BaseRepresentation
bin11100001111010001…
…100101101111000001
32220021010101102220101
4130033101211233001
5444044141242241
621532421042401
72122245406315
oct341721455701
986233342811
1030321040321
111194a489410
125a62556401
132b22a4b9a0
141678d37b45
15bc6de1e31
hex70f465bc1

30321040321 has 8 divisors (see below), whose sum is σ = 35621921664. Its totient is φ = 25444229520.

The previous prime is 30321040307. The next prime is 30321040333. The reversal of 30321040321 is 12304012303.

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 30321040321 - 211 = 30321038273 is a prime.

It is a super-2 number, since 2×303210403212 (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 (30321040301) 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, 106017481 + ... + 106017766.

It is an arithmetic number, because the mean of its divisors is an integer number (4452740208).

Almost surely, 230321040321 is an apocalyptic number.

It is an amenable number.

30321040321 is a deficient number, since it is larger than the sum of its proper divisors (5300881343).

30321040321 is a wasteful number, since it uses less digits than its factorization.

30321040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212035271.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30321040321 its reverse (12304012303), we get a palindrome (42625052624).

The spelling of 30321040321 in words is "thirty billion, three hundred twenty-one million, forty thousand, three hundred twenty-one".

Divisors: 1 11 13 143 212035247 2332387717 2756458211 30321040321