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1344423331 = 10913079437
BaseRepresentation
bin101000000100010…
…0100010110100011
310110200202210002201
41100020210112203
510223133021311
6341223354031
745213260356
oct12010442643
93420683081
101344423331
1162a98a169
123162b2917
131856bcc84
14ca7a629d
157d0679c1
hex502245a3

1344423331 has 8 divisors (see below), whose sum is σ = 1357939440. Its totient is φ = 1330928928.

The previous prime is 1344423329. The next prime is 1344423341. The reversal of 1344423331 is 1333244431.

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 1344423331 - 21 = 1344423329 is a prime.

It is a super-2 number, since 2×13444233312 = 3614948185874271122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1344423331.

It is not an unprimeable number, because it can be changed into a prime (1344423341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137745 + ... + 147181.

It is an arithmetic number, because the mean of its divisors is an integer number (169742430).

Almost surely, 21344423331 is an apocalyptic number.

1344423331 is a deficient number, since it is larger than the sum of its proper divisors (13516109).

1344423331 is a wasteful number, since it uses less digits than its factorization.

1344423331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10853.

The product of its digits is 10368, while the sum is 28.

The square root of 1344423331 is about 36666.3787549302. The cubic root of 1344423331 is about 1103.6855252674.

Adding to 1344423331 its reverse (1333244431), we get a palindrome (2677667762).

The spelling of 1344423331 in words is "one billion, three hundred forty-four million, four hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 109 1307 9437 142463 1028633 12334159 1344423331