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13143223343131 = 722943816126357
BaseRepresentation
bin1011111101000010010100…
…1010001001100000011011
31201112110221211111012112121
42333100211022021200123
53210314310133440011
643541525145522111
72524365220052500
oct277204512114033
951473854435477
1013143223343131
114208011a30282
1215832b2aa3337
1374452929cc2b
143361c77974a7
1517bd43367e71
hexbf42528981b

13143223343131 has 48 divisors (see below), whose sum is σ = 16186681859040. Its totient is φ = 10622488504320.

The previous prime is 13143223343101. The next prime is 13143223343149. The reversal of 13143223343131 is 13134332234131.

It is not a de Polignac number, because 13143223343131 - 213 = 13143223334939 is a prime.

It is a super-2 number, since 2×131432233431312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13143223343101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 498648405 + ... + 498674761.

It is an arithmetic number, because the mean of its divisors is an integer number (337222538730).

Almost surely, 213143223343131 is an apocalyptic number.

13143223343131 is a deficient number, since it is larger than the sum of its proper divisors (3043458515909).

13143223343131 is a wasteful number, since it uses less digits than its factorization.

13143223343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34604 (or 34597 counting only the distinct ones).

The product of its digits is 46656, while the sum is 34.

Adding to 13143223343131 its reverse (13134332234131), we get a palindrome (26277555577262).

The spelling of 13143223343131 in words is "thirteen trillion, one hundred forty-three billion, two hundred twenty-three million, three hundred forty-three thousand, one hundred thirty-one".

Divisors: 1 7 29 43 49 203 301 1247 1421 2107 8161 8729 26357 57127 61103 184499 236669 350923 399889 764353 1133351 1291493 1656683 2456461 5350471 7933457 10176767 11596781 17195227 32867179 37453297 55534199 71237369 215099477 230070253 498661583 1505696339 1610491771 6237884833 9249277511 10539874373 43665193831 64744942577 268229047819 305656356817 453214598039 1877603334733 13143223343131