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143222300431 = 71091073317489
BaseRepresentation
bin1000010101100010110…
…1101101111100001111
3111200200102000200221121
42011120231231330033
54321304402103211
6145443450541411
713230116316130
oct2053055557417
9450612020847
10143222300431
1155816289151
1223910a37867
131067633b042
146d0957dc87
153ad3a77271
hex2158b6df0f

143222300431 has 16 divisors (see below), whose sum is σ = 165209140800. Its totient is φ = 121617427968.

The previous prime is 143222300363. The next prime is 143222300449. The reversal of 143222300431 is 134003222341.

It is a cyclic number.

It is not a de Polignac number, because 143222300431 - 233 = 134632365839 is a prime.

It is a super-2 number, since 2×1432223004312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143222300396 and 143222300405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143222300461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8180535 + ... + 8198023.

It is an arithmetic number, because the mean of its divisors is an integer number (10325571300).

Almost surely, 2143222300431 is an apocalyptic number.

143222300431 is a deficient number, since it is larger than the sum of its proper divisors (21986840369).

143222300431 is a wasteful number, since it uses less digits than its factorization.

143222300431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28338.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 143222300431 its reverse (134003222341), we get a palindrome (277225522772).

The spelling of 143222300431 in words is "one hundred forty-three billion, two hundred twenty-two million, three hundred thousand, four hundred thirty-one".

Divisors: 1 7 109 763 10733 17489 75131 122423 1169897 1906301 8189279 13344107 187709437 1313966059 20460328633 143222300431