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13230431047 is a prime number
BaseRepresentation
bin11000101001001100…
…00101101101000111
31021011001101112102201
430110212011231013
5204043442243142
610024502015331
7645601544161
oct142446055507
937131345381
1013230431047
11567a262739
122692a17547
13132b052232
148d71cd931
155267bcab7
hex314985b47

13230431047 has 2 divisors, whose sum is σ = 13230431048. Its totient is φ = 13230431046.

The previous prime is 13230431021. The next prime is 13230431077. The reversal of 13230431047 is 74013403231.

It is a weak prime.

It is an emirp because it is prime and its reverse (74013403231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13230431047 - 27 = 13230430919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13230431077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615215523 + 6615215524.

It is an arithmetic number, because the mean of its divisors is an integer number (6615215524).

Almost surely, 213230431047 is an apocalyptic number.

13230431047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13230431047 is an equidigital number, since it uses as much as digits as its factorization.

13230431047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 13230431047 its reverse (74013403231), we get a palindrome (87243834278).

The spelling of 13230431047 in words is "thirteen billion, two hundred thirty million, four hundred thirty-one thousand, forty-seven".