1303240361 has 2 divisors, whose sum is σ = 1303240362. Its totient is φ = 1303240360.

The previous prime is 1303240303. The next prime is 1303240387. The reversal of 1303240361 is 1630423031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1293121600 + 10118761 = 35960^2 + 3181^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303240361 - 2¹⁰ = 1303239337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303242361) 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, 651620180 + 651620181.

It is an arithmetic number, because the mean of its divisors is an integer number (651620181).

Almost surely, 2^1303240361 is an apocalyptic number.

It is an amenable number.

1303240361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303240361 is an equidigital number, since it uses as much as digits as its factorization.

1303240361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1303240361 is about 36100.4205100162. The cubic root of 1303240361 is about 1092.2989273297.

Adding to 1303240361 its reverse (1630423031), we get a palindrome (2933663392).

The spelling of 1303240361 in words is "one billion, three hundred three million, two hundred forty thousand, three hundred sixty-one".