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321230310430204 = 22711472511086793
BaseRepresentation
bin100100100001010000100001…
…0100010110101010111111100
31120010101022120122112121001101
41021002201002202311113330
5314101014133432231304
63055111100052422444
7124443060356564140
oct11102410242652774
91503338518477041
10321230310430204
119339901186546a
1230040705017a24
1310a31b71778a46
1459478b6953220
152720e0e3c88a4
hex12428428b55fc

321230310430204 has 12 divisors (see below), whose sum is σ = 642460620860464. Its totient is φ = 137670133041504.

The previous prime is 321230310430201. The next prime is 321230310430207. The reversal of 321230310430204 is 402034013032123.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (321230310430201) and next prime (321230310430207).

321230310430204 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 11472511086793 = 321230310430204 / (3 + 2 + 1 + 2 + 3 + 0 + 3 + 1 + 0 + 4 + 3 + 0 + 2 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321230310430201) 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, 5736255543369 + ... + 5736255543424.

Almost surely, 2321230310430204 is an apocalyptic number.

It is an amenable number.

321230310430204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321230310430204 is a wasteful number, since it uses less digits than its factorization.

321230310430204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11472511086804 (or 11472511086802 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 321230310430204 its reverse (402034013032123), we get a palindrome (723264323462327).

The spelling of 321230310430204 in words is "three hundred twenty-one trillion, two hundred thirty billion, three hundred ten million, four hundred thirty thousand, two hundred four".

Divisors: 1 2 4 7 14 28 11472511086793 22945022173586 45890044347172 80307577607551 160615155215102 321230310430204