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331122103123220 = 22521523769228507
BaseRepresentation
bin100101101001001110101111…
…1010101010111110100010100
31121102101222000200122010000022
41023102131133111113310110
5321400101031344420340
63132123221051404312
7126513532252303313
oct11322353725276424
91542358020563008
10331122103123220
1196562105972152
1231179822453698
131129b8ac939566
145baa5769d227a
1528433a47d73b5
hex12d275f557d14

331122103123220 has 24 divisors (see below), whose sum is σ = 695388725060064. Its totient is φ = 132442687249056.

The previous prime is 331122103123073. The next prime is 331122103123237. The reversal of 331122103123220 is 22321301221133.

It is a self number, because there is not a number n which added to its sum of digits gives 331122103123220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384183794 + ... + 385044713.

It is an arithmetic number, because the mean of its divisors is an integer number (28974530210836).

Almost surely, 2331122103123220 is an apocalyptic number.

It is an amenable number.

331122103123220 is an abundant number, since it is smaller than the sum of its proper divisors (364266621936844).

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

331122103123220 is a wasteful number, since it uses less digits than its factorization.

331122103123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769250039 (or 769250037 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 331122103123220 its reverse (22321301221133), we get a palindrome (353443404344353).

The spelling of 331122103123220 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, one hundred three million, one hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 21523 43046 86092 107615 215230 430460 769228507 1538457014 3076914028 3846142535 7692285070 15384570140 16556105156161 33112210312322 66224420624644 82780525780805 165561051561610 331122103123220