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13323213223131 = 378920773343163
BaseRepresentation
bin1100000111100000110101…
…1001000011010011011011
31202011200112122012110202110
43001320031121003103123
53221241420041120011
644200333305403403
72543366433563310
oct301701531032333
952150478173673
1013323213223131
114277385590119
1215b2165199563
137584b1ab00c6
14340bc00bad07
15181879c22ba6
hexc1e0d6434db

13323213223131 has 32 divisors (see below), whose sum is σ = 20531200135680. Its totient is φ = 7527338083584.

The previous prime is 13323213223129. The next prime is 13323213223139. The reversal of 13323213223131 is 13132231232331.

It is not a de Polignac number, because 13323213223131 - 21 = 13323213223129 is a prime.

It is a super-2 number, since 2×133232132231312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13323213223139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38653156 + ... + 38996318.

It is an arithmetic number, because the mean of its divisors is an integer number (641600004240).

Almost surely, 213323213223131 is an apocalyptic number.

13323213223131 is a deficient number, since it is larger than the sum of its proper divisors (7207986912549).

13323213223131 is a wasteful number, since it uses less digits than its factorization.

13323213223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364035.

The product of its digits is 11664, while the sum is 30.

Adding to 13323213223131 its reverse (13132231232331), we get a palindrome (26455444455462).

The spelling of 13323213223131 in words is "thirteen trillion, three hundred twenty-three billion, two hundred thirteen million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 7 21 89 267 623 1869 20773 62319 145411 343163 436233 1029489 1848797 2402141 5546391 7206423 12941579 30541507 38824737 91624521 213790549 641371647 7128524999 21385574997 49899674993 149699024979 634438724911 1903316174733 4441071074377 13323213223131