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331131010220232 = 233193021124036427
BaseRepresentation
bin100101101001010010111001…
…0001111010000000011001000
31121102102211000102220112002020
41023102211302033100003020
5321400222302104021412
63132131252553404440
7126514266056341215
oct11322456217200310
91542384012815066
10331131010220232
1196565966779a52
123117b4a9409720
131129c69c08c471
145baab7d942b0c
15284372676218c
hex12d29723d00c8

331131010220232 has 64 divisors (see below), whose sum is σ = 871426275283200. Its totient is φ = 104564221842240.

The previous prime is 331131010220183. The next prime is 331131010220237. The reversal of 331131010220232 is 232022010131133.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (331131010220237) 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, 1758003 + ... + 25794429.

It is an arithmetic number, because the mean of its divisors is an integer number (13616035551300).

Almost surely, 2331131010220232 is an apocalyptic number.

It is an amenable number.

331131010220232 is an abundant number, since it is smaller than the sum of its proper divisors (540295265062968).

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

331131010220232 is a wasteful number, since it uses less digits than its factorization.

331131010220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24066666 (or 24066662 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 331131010220232 its reverse (232022010131133), we get a palindrome (563153020351365).

The spelling of 331131010220232 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, ten million, two hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 30211 60422 90633 120844 181266 241688 362532 574009 725064 1148018 1722027 2296036 3444054 4592072 6888108 13776216 24036427 48072854 72109281 96145708 144218562 192291416 288437124 456692113 576874248 913384226 1370076339 1826768452 2740152678 3653536904 5480305356 10960610712 726164496097 1452328992194 2178493488291 2904657984388 4356986976582 5809315968776 8713973953164 13797125425843 17427947906328 27594250851686 41391376277529 55188501703372 82782752555058 110377003406744 165565505110116 331131010220232