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2143224441231 = 314531159742397
BaseRepresentation
bin11111001100000010001…
…000011010100110001111
321120220000222220022112120
4133030002020122212033
5240103310424104411
64320330025504023
7310562046111456
oct37140210324617
97526028808476
102143224441231
11756a33361395
122a7455642013
1312714a171953
1475a38429b9d
153ab3bd29106
hex1f30221a98f

2143224441231 has 16 divisors (see below), whose sum is σ = 2859913335264. Its totient is φ = 1427676142464.

The previous prime is 2143224441223. The next prime is 2143224441251. The reversal of 2143224441231 is 1321444223412.

It is not a de Polignac number, because 2143224441231 - 23 = 2143224441223 is a prime.

It is a super-2 number, since 2×21432244412312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143224441192 and 2143224441201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143224441251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50530125 + ... + 50572521.

It is an arithmetic number, because the mean of its divisors is an integer number (178744583454).

Almost surely, 22143224441231 is an apocalyptic number.

2143224441231 is a deficient number, since it is larger than the sum of its proper divisors (716688894033).

2143224441231 is a wasteful number, since it uses less digits than its factorization.

2143224441231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55450.

The product of its digits is 36864, while the sum is 33.

Adding to 2143224441231 its reverse (1321444223412), we get a palindrome (3464668664643).

The spelling of 2143224441231 in words is "two trillion, one hundred forty-three billion, two hundred twenty-four million, four hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 3 1453 4359 11597 34791 42397 127191 16850441 50551323 61602841 184808523 491678009 1475034027 714408147077 2143224441231