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3213331103220 = 22357217531213063
BaseRepresentation
bin101110110000101001011…
…101010111110111110100
3102101012011120101011122020
4232300221131113313310
5410121400230300340
610500103421233140
7451104224500200
oct56605135276764
912335146334566
103213331103220
111029847700057
1243a9221027b0
131a40289bba24
14b17516d1b00
15588bd21e9d0
hex2ec29757df4

3213331103220 has 288 divisors, whose sum is σ = 11291044439808. Its totient is φ = 678227816448.

The previous prime is 3213331103207. The next prime is 3213331103233. The reversal of 3213331103220 is 223011333123.

It is an interprime number because it is at equal distance from previous prime (3213331103207) and next prime (3213331103233).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2042409 + ... + 3255471.

It is an arithmetic number, because the mean of its divisors is an integer number (39205015416).

Almost surely, 23213331103220 is an apocalyptic number.

3213331103220 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 3213331103220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5645522219904).

3213331103220 is an abundant number, since it is smaller than the sum of its proper divisors (8077713336588).

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

3213331103220 is a wasteful number, since it uses less digits than its factorization.

3213331103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213159 (or 1213150 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 3213331103220 its reverse (223011333123), we get a palindrome (3436342436343).

The spelling of 3213331103220 in words is "three trillion, two hundred thirteen billion, three hundred thirty-one million, one hundred three thousand, two hundred twenty".