30303240997 has 2 divisors, whose sum is σ = 30303240998. Its totient is φ = 30303240996.

The previous prime is 30303240973. The next prime is 30303241021. The reversal of 30303240997 is 79904230303.

It is a balanced prime because it is at equal distance from previous prime (30303240973) and next prime (30303241021).

It can be written as a sum of positive squares in only one way, i.e., 30036702721 + 266538276 = 173311^2 + 16326^2 .

It is a cyclic number.

It is not a de Polignac number, because 30303240997 - 2²³ = 30294852389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30303240967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151620498 + 15151620499.

It is an arithmetic number, because the mean of its divisors is an integer number (15151620499).

Almost surely, 2^30303240997 is an apocalyptic number.

It is an amenable number.

30303240997 is a deficient number, since it is larger than the sum of its proper divisors (1).

30303240997 is an equidigital number, since it uses as much as digits as its factorization.

30303240997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 40.

The spelling of 30303240997 in words is "thirty billion, three hundred three million, two hundred forty thousand, nine hundred ninety-seven".