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30231044321 = 88747340643
BaseRepresentation
bin11100001001111010…
…010010000011100001
32220000212001011121012
4130021322102003201
5443403121404241
621515444110305
72120103431312
oct341172220341
986025034535
1030231044321
1111903700055
125a38395395
132b0a1cb80a
14166adcc609
15bbe0666eb
hex709e920e1

30231044321 has 4 divisors (see below), whose sum is σ = 30231473712. Its totient is φ = 30230614932.

The previous prime is 30231044317. The next prime is 30231044369. The reversal of 30231044321 is 12344013203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30231044321 - 22 = 30231044317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30231040321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81575 + ... + 259068.

It is an arithmetic number, because the mean of its divisors is an integer number (7557868428).

Almost surely, 230231044321 is an apocalyptic number.

It is an amenable number.

30231044321 is a deficient number, since it is larger than the sum of its proper divisors (429391).

30231044321 is an equidigital number, since it uses as much as digits as its factorization.

30231044321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429390.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30231044321 its reverse (12344013203), we get a palindrome (42575057524).

The spelling of 30231044321 in words is "thirty billion, two hundred thirty-one million, forty-four thousand, three hundred twenty-one".

Divisors: 1 88747 340643 30231044321