100303120229509 has 2 divisors, whose sum is σ = 100303120229510. Its totient is φ = 100303120229508.

The previous prime is 100303120229413. The next prime is 100303120229633. The reversal of 100303120229509 is 905922021303001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98928446053284 + 1374674176225 = 9946278^2 + 1172465^2 .

It is a cyclic number.

It is not a de Polignac number, because 100303120229509 - 2²³ = 100303111840901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100303120329509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50151560114754 + 50151560114755.

It is an arithmetic number, because the mean of its divisors is an integer number (50151560114755).

Almost surely, 2^{100303120229509} is an apocalyptic number.

It is an amenable number.

100303120229509 is a deficient number, since it is larger than the sum of its proper divisors (1).

100303120229509 is an equidigital number, since it uses as much as digits as its factorization.

100303120229509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 100303120229509 in words is "one hundred trillion, three hundred three billion, one hundred twenty million, two hundred twenty-nine thousand, five hundred nine".