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321312012311001 = 3241444414954787
BaseRepresentation
bin100100100001110110100100…
…0010110110001100111011001
31120010200010110121001011121110
41021003231020112301213121
5314103334000122423001
63055212411203330533
7124452012125243265
oct11103551026614731
91503603417034543
10321312012311001
119341a7283a97a8
1230054506980a49
1310a397923681ca
14594b8277430a5
1527230e1ebd3d6
hex1243b485b19d9

321312012311001 has 8 divisors (see below), whose sum is σ = 430193676234784. Its totient is φ = 213319178297280.

The previous prime is 321312012310957. The next prime is 321312012311011. The reversal of 321312012311001 is 100113210213123.

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

It is not a de Polignac number, because 321312012311001 - 217 = 321312012179929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321312012311011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222207476671 + ... + 222207478116.

It is an arithmetic number, because the mean of its divisors is an integer number (53774209529348).

Almost surely, 2321312012311001 is an apocalyptic number.

It is an amenable number.

321312012311001 is a deficient number, since it is larger than the sum of its proper divisors (108881663923783).

321312012311001 is a wasteful number, since it uses less digits than its factorization.

321312012311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444414955031.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 321312012311001 its reverse (100113210213123), we get a palindrome (421425222524124).

The spelling of 321312012311001 in words is "three hundred twenty-one trillion, three hundred twelve billion, twelve million, three hundred eleven thousand, one".

Divisors: 1 3 241 723 444414954787 1333244864361 107104004103667 321312012311001