2030111971 has 2 divisors, whose sum is σ = 2030111972. Its totient is φ = 2030111970.

The previous prime is 2030111959. The next prime is 2030112013. The reversal of 2030111971 is 1791110302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2030111971 - 2¹¹ = 2030109923 is a prime.

It is a super-2 number, since 2×2030111971² = 8242709229595009682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2030111071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015055985 + 1015055986.

It is an arithmetic number, because the mean of its divisors is an integer number (1015055986).

Almost surely, 2^2030111971 is an apocalyptic number.

2030111971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030111971 is an equidigital number, since it uses as much as digits as its factorization.

2030111971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 2030111971 is about 45056.7638762484. The cubic root of 2030111971 is about 1266.2126967900.

The spelling of 2030111971 in words is "two billion, thirty million, one hundred eleven thousand, nine hundred seventy-one".