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13202313321 = 3127160721563
BaseRepresentation
bin11000100101110101…
…10101000001101001
31021002002111000011110
430102322311001221
5204014243011241
610022015220533
7645110545251
oct142272650151
937062430143
1013202313321
1156653a844a
122685517749
131325288c22
148d3590961
155240b6816
hex312eb5069

13202313321 has 16 divisors (see below), whose sum is σ = 17753554944. Its totient is φ = 8726400144.

The previous prime is 13202313287. The next prime is 13202313347. The reversal of 13202313321 is 12331320231.

It is not a de Polignac number, because 13202313321 - 214 = 13202296937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13202313361) 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, 601486 + ... + 623048.

It is an arithmetic number, because the mean of its divisors is an integer number (1109597184).

Almost surely, 213202313321 is an apocalyptic number.

It is an amenable number.

13202313321 is a deficient number, since it is larger than the sum of its proper divisors (4551241623).

13202313321 is a wasteful number, since it uses less digits than its factorization.

13202313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23300.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13202313321 its reverse (12331320231), we get a palindrome (25533633552).

The spelling of 13202313321 in words is "thirteen billion, two hundred two million, three hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 3 127 381 1607 4821 21563 64689 204089 612267 2738501 8215503 34651741 103955223 4400771107 13202313321