1303342387 has 2 divisors, whose sum is σ = 1303342388. Its totient is φ = 1303342386.

The previous prime is 1303342379. The next prime is 1303342459. The reversal of 1303342387 is 7832433031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303342387 - 2³ = 1303342379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303342367) 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, 651671193 + 651671194.

It is an arithmetic number, because the mean of its divisors is an integer number (651671194).

Almost surely, 2^1303342387 is an apocalyptic number.

1303342387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303342387 is an equidigital number, since it uses as much as digits as its factorization.

1303342387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 1303342387 is about 36101.8335683937. The cubic root of 1303342387 is about 1092.3274306372.

The spelling of 1303342387 in words is "one billion, three hundred three million, three hundred forty-two thousand, three hundred eighty-seven".