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1343044331 = 8316181257
BaseRepresentation
bin101000000001101…
…0011101011101011
310110121011201110122
41100003103223223
510222304404311
6341134033455
745165455066
oct12003235353
93417151418
101343044331
1162a1280a2
1231594888b
131853293b5
14ca5278dd
157cd940db
hex500d3aeb

1343044331 has 4 divisors (see below), whose sum is σ = 1359225672. Its totient is φ = 1326862992.

The previous prime is 1343044321. The next prime is 1343044333. The reversal of 1343044331 is 1334403431.

It is a happy number.

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 1343044331 - 214 = 1343027947 is a prime.

It is a super-2 number, since 2×13430443312 = 3607536150062475122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1343044331.

It is not an unprimeable number, because it can be changed into a prime (1343044333) 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, 8090546 + ... + 8090711.

It is an arithmetic number, because the mean of its divisors is an integer number (339806418).

Almost surely, 21343044331 is an apocalyptic number.

1343044331 is a deficient number, since it is larger than the sum of its proper divisors (16181341).

1343044331 is an equidigital number, since it uses as much as digits as its factorization.

1343044331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16181340.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 1343044331 is about 36647.5692372632. The cubic root of 1343044331 is about 1103.3080392539.

Adding to 1343044331 its reverse (1334403431), we get a palindrome (2677447762).

The spelling of 1343044331 in words is "one billion, three hundred forty-three million, forty-four thousand, three hundred thirty-one".

Divisors: 1 83 16181257 1343044331