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331211310023130 = 23529600176343247
BaseRepresentation
bin100101101001111000010010…
…0011110101100000111011010
31121102201111021200011011100020
41023103300210132230013122
5321403031230331220010
63132232213021051310
7126523141011401565
oct11323604436540732
91542644250134306
10331211310023130
1196596a22935419
1231192b796b6b36
13112a7128353434
145bb09da43d4dc
152845876201470
hex12d3c247ac1da

331211310023130 has 64 divisors (see below), whose sum is σ = 822331566282240. Its totient is φ = 85275960433664.

The previous prime is 331211310023081. The next prime is 331211310023131. The reversal of 331211310023130 is 31320013112133.

It is a super-2 number, since 2×3312113100231302 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331211310023130.

It is not an unprimeable number, because it can be changed into a prime (331211310023131) 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, 49043167 + ... + 55386413.

It is an arithmetic number, because the mean of its divisors is an integer number (12848930723160).

Almost surely, 2331211310023130 is an apocalyptic number.

331211310023130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331211310023130 is an abundant number, since it is smaller than the sum of its proper divisors (491120256259110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331211310023130 is a wasteful number, since it uses less digits than its factorization.

331211310023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403303.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 331211310023130 its reverse (31320013112133), we get a palindrome (362531323135263).

The spelling of 331211310023130 in words is "three hundred thirty-one trillion, two hundred eleven billion, three hundred ten million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 60017 120034 180051 300085 360102 600170 900255 1740493 1800510 3480986 5221479 6343247 8702465 10442958 12686494 17404930 19029741 26107395 31716235 38059482 52214790 63432470 95148705 183954163 190297410 367908326 551862489 919770815 1103724978 1839541630 2759312445 5518624890 380702655199 761405310398 1142107965597 1903513275995 2284215931194 3807026551990 5710539827985 11040377000771 11421079655970 22080754001542 33121131002313 55201885003855 66242262004626 110403770007710 165605655011565 331211310023130