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1020313223 is a prime number
BaseRepresentation
bin111100110100001…
…011111010000111
32122002220021121122
4330310023322013
54042200010343
6245124504155
734166343056
oct7464137207
92562807548
101020313223
11483a38476
1224584b05b
13133500047
149971839d
155e895068
hex3cd0be87

1020313223 has 2 divisors, whose sum is σ = 1020313224. Its totient is φ = 1020313222.

The previous prime is 1020313187. The next prime is 1020313241. The reversal of 1020313223 is 3223130201.

It is a strong prime.

It is an emirp because it is prime and its reverse (3223130201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020313223 - 210 = 1020312199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020393223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510156611 + 510156612.

It is an arithmetic number, because the mean of its divisors is an integer number (510156612).

Almost surely, 21020313223 is an apocalyptic number.

1020313223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020313223 is an equidigital number, since it uses as much as digits as its factorization.

1020313223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1020313223 is about 31942.3421652201. The cubic root of 1020313223 is about 1006.7257373760.

Adding to 1020313223 its reverse (3223130201), we get a palindrome (4243443424).

The spelling of 1020313223 in words is "one billion, twenty million, three hundred thirteen thousand, two hundred twenty-three".