2030320341991 has 2 divisors, whose sum is σ = 2030320341992. Its totient is φ = 2030320341990.

The previous prime is 2030320341983. The next prime is 2030320342133. The reversal of 2030320341991 is 1991430230302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2030320341991 - 2³ = 2030320341983 is a prime.

It is a super-2 number, since 2×2030320341991² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2030320341991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030320341901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015160170995 + 1015160170996.

It is an arithmetic number, because the mean of its divisors is an integer number (1015160170996).

Almost surely, 2^{2030320341991} is an apocalyptic number.

2030320341991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030320341991 is an equidigital number, since it uses as much as digits as its factorization.

2030320341991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 2030320341991 in words is "two trillion, thirty billion, three hundred twenty million, three hundred forty-one thousand, nine hundred ninety-one".