2030320997 has 2 divisors, whose sum is σ = 2030320998. Its totient is φ = 2030320996.

The previous prime is 2030320973. The next prime is 2030321047. The reversal of 2030320997 is 7990230302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007577636 + 22743361 = 44806^2 + 4769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2030320997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030320927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015160498 + 1015160499.

It is an arithmetic number, because the mean of its divisors is an integer number (1015160499).

Almost surely, 2^2030320997 is an apocalyptic number.

It is an amenable number.

2030320997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030320997 is an equidigital number, since it uses as much as digits as its factorization.

2030320997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 2030320997 is about 45059.0834016849. The cubic root of 2030320997 is about 1266.2561528975.

The spelling of 2030320997 in words is "two billion, thirty million, three hundred twenty thousand, nine hundred ninety-seven".