303234142009 has 2 divisors, whose sum is σ = 303234142010. Its totient is φ = 303234142008.

The previous prime is 303234141983. The next prime is 303234142063. The reversal of 303234142009 is 900241432303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291164922409 + 12069219600 = 539597^2 + 109860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-303234142009 is a prime.

It is not a weakly prime, because it can be changed into another prime (303234142069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151617071004 + 151617071005.

It is an arithmetic number, because the mean of its divisors is an integer number (151617071005).

Almost surely, 2^303234142009 is an apocalyptic number.

It is an amenable number.

303234142009 is a deficient number, since it is larger than the sum of its proper divisors (1).

303234142009 is an equidigital number, since it uses as much as digits as its factorization.

303234142009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 303234142009 in words is "three hundred three billion, two hundred thirty-four million, one hundred forty-two thousand, nine".