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313310231321321 = 13210730235731469
BaseRepresentation
bin100011100111101000011100…
…1000010101101101011101001
31112002100011110201102010012102
41013033100321002231223221
5312031233323204240241
63030204422214423145
7122664626415124223
oct10717207102555351
91462304421363172
10313310231321321
1190915139666673
122b181756661ab5
13105a90497abb00
145752420739413
152634db8a0739b
hex11cf4390adae9

313310231321321 has 24 divisors (see below), whose sum is σ = 342548961793920. Its totient is φ = 286411726750656.

The previous prime is 313310231321299. The next prime is 313310231321341. The reversal of 313310231321321 is 123123132013313.

It is a de Polignac number, because none of the positive numbers 2k-313310231321321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313310231321341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51799175 + ... + 57530643.

It is an arithmetic number, because the mean of its divisors is an integer number (14272873408080).

Almost surely, 2313310231321321 is an apocalyptic number.

It is an amenable number.

313310231321321 is a deficient number, since it is larger than the sum of its proper divisors (29238730472599).

313310231321321 is a wasteful number, since it uses less digits than its factorization.

313310231321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734625 (or 5734612 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 313310231321321 its reverse (123123132013313), we get a palindrome (436433363334634).

The spelling of 313310231321321 in words is "three hundred thirteen trillion, three hundred ten billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 13 107 169 1391 3023 18083 39299 323461 510887 4204993 5731469 54664909 74509097 613267183 968618261 7972473379 17326230787 103642153927 225241000231 1853906694209 2928133003003 24100787024717 313310231321321