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1323302213 = 8867149239
BaseRepresentation
bin100111011011111…
…1111110101000101
310102020000201101002
41032313333311011
510202231132323
6335150543045
744535611642
oct11667776505
93366021332
101323302213
11619a735a2
1230b207a85
1318120647c
14c7a68dc9
157b294828
hex4edffd45

1323302213 has 4 divisors (see below), whose sum is σ = 1323460320. Its totient is φ = 1323144108.

The previous prime is 1323302179. The next prime is 1323302237. The reversal of 1323302213 is 3122033231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1323302213 - 214 = 1323285829 is a prime.

It is a super-2 number, since 2×13233022132 = 3502257493861394738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323302243) 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, 65753 + ... + 83486.

It is an arithmetic number, because the mean of its divisors is an integer number (330865080).

Almost surely, 21323302213 is an apocalyptic number.

It is an amenable number.

1323302213 is a deficient number, since it is larger than the sum of its proper divisors (158107).

1323302213 is an equidigital number, since it uses as much as digits as its factorization.

1323302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158106.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1323302213 is about 36377.2210730836. The cubic root of 1323302213 is about 1097.8752961937.

Adding to 1323302213 its reverse (3122033231), we get a palindrome (4445335444).

The spelling of 1323302213 in words is "one billion, three hundred twenty-three million, three hundred two thousand, two hundred thirteen".

Divisors: 1 8867 149239 1323302213