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31333221114013 = 71343433242709
BaseRepresentation
bin1110001111111010101011…
…00000111010000010011101
311002221102112001102122211101
413013331111200322002131
513101330414101122023
6150350141050353101
76412515300025450
oct707752540720235
9132842461378741
1031333221114013
119a90387510975
12362070842b791
1314639300507b0
147a4770aa3497
153950b04e71ad
hex1c7f5583a09d

31333221114013 has 48 divisors (see below), whose sum is σ = 39553070874240. Its totient is φ = 24158093847552.

The previous prime is 31333221113951. The next prime is 31333221114037. The reversal of 31333221114013 is 31041112233313.

It is not a de Polignac number, because 31333221114013 - 229 = 31332684243101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31333221114053) 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, 733623103 + ... + 733665811.

It is an arithmetic number, because the mean of its divisors is an integer number (824022309880).

Almost surely, 231333221114013 is an apocalyptic number.

It is an amenable number.

31333221114013 is a deficient number, since it is larger than the sum of its proper divisors (8219849760227).

31333221114013 is an equidigital number, since it uses as much as digits as its factorization.

31333221114013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43638 (or 43205 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 31333221114013 its reverse (31041112233313), we get a palindrome (62374333347326).

The spelling of 31333221114013 in words is "thirty-one trillion, three hundred thirty-three billion, two hundred twenty-one million, one hundred fourteen thousand, thirteen".

Divisors: 1 7 13 43 91 301 433 559 3031 3913 5629 18619 39403 42709 130333 187489 242047 298963 555217 1312423 1694329 1836487 2437357 3886519 8062027 12855409 17061499 18492997 23874331 56434189 104806351 129450979 167120317 240408961 733644457 795198871 1682862727 5566392097 8007467701 10337585323 56052273907 72363097261 104097080113 344321111143 728679560791 2410247778001 4476174444859 31333221114013