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1344210331 = 2116963499
BaseRepresentation
bin101000000011111…
…0000010110011011
310110200100221220211
41100013300112123
510223104212311
6341215031551
745211412362
oct12007602633
93420327824
101344210331
1162a854132
1231620b5b7
13185647039
14ca74c7d9
157d024821
hex501f059b

1344210331 has 4 divisors (see below), whose sum is σ = 1344295000. Its totient is φ = 1344125664.

The previous prime is 1344210323. The next prime is 1344210353. The reversal of 1344210331 is 1330124431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1344210331 - 23 = 1344210323 is a prime.

It is a super-2 number, since 2×13442103312 = 3613802827934259122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344210631) 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, 10581 + ... + 52918.

It is an arithmetic number, because the mean of its divisors is an integer number (336073750).

Almost surely, 21344210331 is an apocalyptic number.

1344210331 is a deficient number, since it is larger than the sum of its proper divisors (84669).

1344210331 is an equidigital number, since it uses as much as digits as its factorization.

1344210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84668.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1344210331 is about 36663.4740716152. The cubic root of 1344210331 is about 1103.6272357323.

Adding to 1344210331 its reverse (1330124431), we get a palindrome (2674334762).

The spelling of 1344210331 in words is "one billion, three hundred forty-four million, two hundred ten thousand, three hundred thirty-one".

Divisors: 1 21169 63499 1344210331