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13030231241 is a prime number
BaseRepresentation
bin11000010001010100…
…11000110011001001
31020122002200022221002
430020222120303021
5203141214344431
65552551024345
7640621065236
oct141052306311
936562608832
1013030231241
115587253655
12263796b0b5
1312c8728001
148b879878d
15513e243cb
hex308a98cc9

13030231241 has 2 divisors, whose sum is σ = 13030231242. Its totient is φ = 13030231240.

The previous prime is 13030231231. The next prime is 13030231297. The reversal of 13030231241 is 14213203031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7645753600 + 5384477641 = 87440^2 + 73379^2 .

It is an emirp because it is prime and its reverse (14213203031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13030231241 - 226 = 12963122377 is a prime.

It is not a weakly prime, because it can be changed into another prime (13030231211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515115620 + 6515115621.

It is an arithmetic number, because the mean of its divisors is an integer number (6515115621).

Almost surely, 213030231241 is an apocalyptic number.

It is an amenable number.

13030231241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13030231241 is an equidigital number, since it uses as much as digits as its factorization.

13030231241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13030231241 its reverse (14213203031), we get a palindrome (27243434272).

The spelling of 13030231241 in words is "thirteen billion, thirty million, two hundred thirty-one thousand, two hundred forty-one".