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213311383 is a prime number
BaseRepresentation
bin11001011011011…
…01111110010111
3112212101100012121
430231231332113
5414101431013
633100000411
75200055035
oct1455557627
9485340177
10213311383
11aa454aaa
125b530107
133526816c
1420489555
1513ad858d
hexcb6df97

213311383 has 2 divisors, whose sum is σ = 213311384. Its totient is φ = 213311382.

The previous prime is 213311381. The next prime is 213311387. The reversal of 213311383 is 383113312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213311383 - 21 = 213311381 is a prime.

It is a super-2 number, since 2×2133113832 = 91003492234745378, which contains 22 as substring.

Together with 213311381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213311381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106655691 + 106655692.

It is an arithmetic number, because the mean of its divisors is an integer number (106655692).

Almost surely, 2213311383 is an apocalyptic number.

213311383 is a deficient number, since it is larger than the sum of its proper divisors (1).

213311383 is an equidigital number, since it uses as much as digits as its factorization.

213311383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 213311383 is about 14605.1834291802. The cubic root of 213311383 is about 597.5001387697.

Adding to 213311383 its reverse (383113312), we get a palindrome (596424695).

The spelling of 213311383 in words is "two hundred thirteen million, three hundred eleven thousand, three hundred eighty-three".