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2231020323000 = 2332537231715959
BaseRepresentation
bin100000011101110011001…
…011001000000010111000
321220021122122100012212100
4200131303023020002320
5243023112200314000
64424525552143400
7320120522564400
oct40356313100270
97807578305770
102231020323000
1179019689a867
12300478237b60
131324cc44cc51
1479da66d7800
153d079923a00
hex207732c80b8

2231020323000 has 576 divisors, whose sum is σ = 8800231003200. Its totient is φ = 508306982400.

The previous prime is 2231020322987. The next prime is 2231020323097. The reversal of 2231020323000 is 3230201322.

It is a happy number.

2231020323000 is a `hidden beast` number, since 2 + 2 + 310 + 20 + 32 + 300 + 0 = 666.

It is a super-3 number, since 3×22310203230003 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 139789021 + ... + 139804979.

It is an arithmetic number, because the mean of its divisors is an integer number (15278178825).

Almost surely, 22231020323000 is an apocalyptic number.

2231020323000 is a gapful number since it is divisible by the number (20) 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 2231020323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4400115501600).

2231020323000 is an abundant number, since it is smaller than the sum of its proper divisors (6569210680200).

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

2231020323000 is a wasteful number, since it uses less digits than its factorization.

2231020323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16317 (or 16293 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 2231020323000 its reverse (3230201322), we get a palindrome (2234250524322).

The spelling of 2231020323000 in words is "two trillion, two hundred thirty-one billion, twenty million, three hundred twenty-three thousand".