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331103221111020 = 223567463329953923
BaseRepresentation
bin100101101001000101111100…
…1111000001101100011101100
31121102100011021202210111201010
41023102023321320031203230
5321344243344101023040
63132110415300345220
7126512263323661131
oct11322137170154354
91542304252714633
10331103221111020
11965550a6523996
12311760329a5210
1311299b90a6cb87
145ba96a4dac588
152842b4bca6e80
hex12d22f9e0d8ec

331103221111020 has 192 divisors, whose sum is σ = 943261730611200. Its totient is φ = 86760598079232.

The previous prime is 331103221110943. The next prime is 331103221111049. The reversal of 331103221111020 is 20111122301133.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6140269779 + ... + 6140323701.

It is an arithmetic number, because the mean of its divisors is an integer number (4912821513600).

Almost surely, 2331103221111020 is an apocalyptic number.

331103221111020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331103221111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471630865305600).

331103221111020 is an abundant number, since it is smaller than the sum of its proper divisors (612158509500180).

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

331103221111020 is a wasteful number, since it uses less digits than its factorization.

331103221111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57764 (or 57762 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 331103221111020 its reverse (20111122301133), we get a palindrome (351214343412153).

The spelling of 331103221111020 in words is "three hundred thirty-one trillion, one hundred three billion, two hundred twenty-one million, one hundred eleven thousand, twenty".