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1343225231 = 23411424417
BaseRepresentation
bin101000000001111…
…1111110110001111
310110121111220121122
41100003333312033
510222331201411
6341141551155
745200140355
oct12003776617
93417456548
101343225231
1162a240aa7
12315a154bb
1318539083a
14ca5737d5
157cdcc9db
hex500ffd8f

1343225231 has 8 divisors (see below), whose sum is σ = 1435813344. Its totient is φ = 1253486080.

The previous prime is 1343225207. The next prime is 1343225287. The reversal of 1343225231 is 1325223431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1343225231 - 26 = 1343225167 is a prime.

It is a super-2 number, since 2×13432252312 = 3608508042390006722, 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 1343225231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343225201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711266 + ... + 713151.

It is an arithmetic number, because the mean of its divisors is an integer number (179476668).

Almost surely, 21343225231 is an apocalyptic number.

1343225231 is a deficient number, since it is larger than the sum of its proper divisors (92588113).

1343225231 is a wasteful number, since it uses less digits than its factorization.

1343225231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424481.

The product of its digits is 4320, while the sum is 26.

The square root of 1343225231 is about 36650.0372578255. The cubic root of 1343225231 is about 1103.3575733507.

Adding to 1343225231 its reverse (1325223431), we get a palindrome (2668448662).

The spelling of 1343225231 in words is "one billion, three hundred forty-three million, two hundred twenty-five thousand, two hundred thirty-one".

Divisors: 1 23 41 943 1424417 32761591 58401097 1343225231