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30431023423 is a prime number
BaseRepresentation
bin11100010101110101…
…001001000100111111
32220112210100011100121
4130111311021010333
5444310320222143
621551350235411
72125052300623
oct342565110477
986483304317
1030431023423
11119a6579339
125a93355b67
132b3c779448
1416897a7183
15bd18b97ed
hex715d4913f

30431023423 has 2 divisors, whose sum is σ = 30431023424. Its totient is φ = 30431023422.

The previous prime is 30431023411. The next prime is 30431023559. The reversal of 30431023423 is 32432013403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30431023423 - 221 = 30428926271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30431020423) 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, 15215511711 + 15215511712.

It is an arithmetic number, because the mean of its divisors is an integer number (15215511712).

Almost surely, 230431023423 is an apocalyptic number.

30431023423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30431023423 is an equidigital number, since it uses as much as digits as its factorization.

30431023423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 30431023423 its reverse (32432013403), we get a palindrome (62863036826).

The spelling of 30431023423 in words is "thirty billion, four hundred thirty-one million, twenty-three thousand, four hundred twenty-three".