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1022303231 is a prime number
BaseRepresentation
bin111100111011110…
…001101111111111
32122020122101101122
4330323301233333
54043202200411
6245235301155
734222301615
oct7473615777
92566571348
101022303231
11485077604
1224644a7bb
13133a48a71
1499ab56b5
155eb399db
hex3cef1bff

1022303231 has 2 divisors, whose sum is σ = 1022303232. Its totient is φ = 1022303230.

The previous prime is 1022303221. The next prime is 1022303267. The reversal of 1022303231 is 1323032201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1022303231 is a prime.

It is a super-2 number, since 2×10223032312 = 2090207792226078722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022303201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511151615 + 511151616.

It is an arithmetic number, because the mean of its divisors is an integer number (511151616).

Almost surely, 21022303231 is an apocalyptic number.

1022303231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022303231 is an equidigital number, since it uses as much as digits as its factorization.

1022303231 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 1022303231 is about 31973.4769926575. The cubic root of 1022303231 is about 1007.3798146961.

Adding to 1022303231 its reverse (1323032201), we get a palindrome (2345335432).

The spelling of 1022303231 in words is "one billion, twenty-two million, three hundred three thousand, two hundred thirty-one".