97300000309 has 2 divisors, whose sum is σ = 97300000310. Its totient is φ = 97300000308.

The previous prime is 97300000253. The next prime is 97300000319. The reversal of 97300000309 is 90300000379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60662212209 + 36637788100 = 246297^2 + 191410^2 .

It is a cyclic number.

It is not a de Polignac number, because 97300000309 - 2¹³ = 97299992117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97300000319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48650000154 + 48650000155.

It is an arithmetic number, because the mean of its divisors is an integer number (48650000155).

Almost surely, 2^97300000309 is an apocalyptic number.

It is an amenable number.

97300000309 is a deficient number, since it is larger than the sum of its proper divisors (1).

97300000309 is an equidigital number, since it uses as much as digits as its factorization.

97300000309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 31.

The spelling of 97300000309 in words is "ninety-seven billion, three hundred million, three hundred nine", and thus it is an aban number.