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1344423311 = 71131755079
BaseRepresentation
bin101000000100010…
…0100010110001111
310110200202210001222
41100020210112033
510223133021221
6341223353555
745213260330
oct12010442617
93420683058
101344423311
1162a98a150
123162b28bb
131856bcc6a
14ca7a6287
157d0679ab
hex5022458f

1344423311 has 16 divisors (see below), whose sum is σ = 1681482240. Its totient is φ = 1044278880.

The previous prime is 1344423253. The next prime is 1344423317. The reversal of 1344423311 is 1133244431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1344423311 - 26 = 1344423247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344423317) 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, 3131 + ... + 51948.

It is an arithmetic number, because the mean of its divisors is an integer number (105092640).

Almost surely, 21344423311 is an apocalyptic number.

1344423311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1344423311 is a deficient number, since it is larger than the sum of its proper divisors (337058929).

1344423311 is a wasteful number, since it uses less digits than its factorization.

1344423311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55414.

The product of its digits is 3456, while the sum is 26.

The square root of 1344423311 is about 36666.3784822008. The cubic root of 1344423311 is about 1103.6855197945.

Adding to 1344423311 its reverse (1133244431), we get a palindrome (2477667742).

The spelling of 1344423311 in words is "one billion, three hundred forty-four million, four hundred twenty-three thousand, three hundred eleven".

Divisors: 1 7 11 77 317 2219 3487 24409 55079 385553 605869 4241083 17460043 122220301 192060473 1344423311