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321311143230023 = 1744342665136533
BaseRepresentation
bin100100100001110110001010…
…0100011011111101001000111
31120010200001020000201021122002
41021003230110203133221013
5314103330210131330043
63055212145040055515
7124451651443211432
oct11103542443375107
91503601200637562
10321311143230023
119341a321875361
123005430390459b
1310a396842a8bcb
14594b784154819
152723090a4cbb8
hex1243b148dfa47

321311143230023 has 8 divisors (see below), whose sum is σ = 340979771179728. Its totient is φ = 301727845554304.

The previous prime is 321311143230013. The next prime is 321311143230029. The reversal of 321311143230023 is 320032341113123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321311143230023 - 232 = 321306848262727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321311143230029) 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, 21332560736 + ... + 21332575797.

It is an arithmetic number, because the mean of its divisors is an integer number (42622471397466).

Almost surely, 2321311143230023 is an apocalyptic number.

321311143230023 is a deficient number, since it is larger than the sum of its proper divisors (19668627949705).

321311143230023 is a wasteful number, since it uses less digits than its factorization.

321311143230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42665136993.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 321311143230023 its reverse (320032341113123), we get a palindrome (641343484343146).

The spelling of 321311143230023 in words is "three hundred twenty-one trillion, three hundred eleven billion, one hundred forty-three million, two hundred thirty thousand, twenty-three".

Divisors: 1 17 443 7531 42665136533 725307321061 18900655484119 321311143230023