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321434340313213 = 31197311169240369
BaseRepresentation
bin100100100010101111100001…
…1101011000100100001111101
31120011002211012211202112210001
41021011133003223010201331
5314112340012110010323
63055344521501114301
7124463602413145201
oct11105370353044175
91504084184675701
10321434340313213
11934675a1370396
1230074166258991
1310a4818895027a
14595370dd26b01
1527263a15273ad
hex12457c3ac487d

321434340313213 has 16 divisors (see below), whose sum is σ = 334559779107840. Its totient is φ = 308491342790400.

The previous prime is 321434340313181. The next prime is 321434340313237. The reversal of 321434340313213 is 312313043434123.

It is not a de Polignac number, because 321434340313213 - 25 = 321434340313181 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 (321434340313253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82720908 + ... + 86519461.

It is an arithmetic number, because the mean of its divisors is an integer number (20909986194240).

Almost surely, 2321434340313213 is an apocalyptic number.

It is an amenable number.

321434340313213 is a deficient number, since it is larger than the sum of its proper divisors (13125438794627).

321434340313213 is a wasteful number, since it uses less digits than its factorization.

321434340313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169240908.

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 321434340313213 its reverse (312313043434123), we get a palindrome (633747383747336).

The spelling of 321434340313213 in words is "three hundred twenty-one trillion, four hundred thirty-four billion, three hundred forty million, three hundred thirteen thousand, two hundred thirteen".

Divisors: 1 31 197 311 6107 9641 61267 1899277 169240369 5246451439 33340352693 52633754759 1033550933483 1631646397529 10368849687523 321434340313213