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144343311103231 = 211916811538441
BaseRepresentation
bin100000110100011110001011…
…110010001011010011111111
3200221002002022112100021111221
4200310132023302023103333
5122404410100120300411
61230554222433254211
742255313544363542
oct4064361362132377
9627062275307457
10144343311103231
1141aa0722105aa9
121423284aa04367
136270692389366
1427903799a6859
1511a4a7a185071
hex83478bc8b4ff

144343311103231 has 4 divisors (see below), whose sum is σ = 144350122662864. Its totient is φ = 144336499543600.

The previous prime is 144343311103219. The next prime is 144343311103253. The reversal of 144343311103231 is 132301113343441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144343311103231 - 215 = 144343311070463 is a prime.

It is a super-2 number, since 2×1443433111032312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144343311103261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405748030 + ... + 3405790411.

It is an arithmetic number, because the mean of its divisors is an integer number (36087530665716).

Almost surely, 2144343311103231 is an apocalyptic number.

144343311103231 is a deficient number, since it is larger than the sum of its proper divisors (6811559633).

144343311103231 is an equidigital number, since it uses as much as digits as its factorization.

144343311103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811559632.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 144343311103231 its reverse (132301113343441), we get a palindrome (276644424446672).

The spelling of 144343311103231 in words is "one hundred forty-four trillion, three hundred forty-three billion, three hundred eleven million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 21191 6811538441 144343311103231