2030191231 has 2 divisors, whose sum is σ = 2030191232. Its totient is φ = 2030191230.

The previous prime is 2030191213. The next prime is 2030191237. The reversal of 2030191231 is 1321910302.

Together with previous prime (2030191213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2030191231 - 2⁵ = 2030191199 is a prime.

It is a super-2 number, since 2×2030191231² = 8243352868858590722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030191237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015095615 + 1015095616.

It is an arithmetic number, because the mean of its divisors is an integer number (1015095616).

Almost surely, 2^2030191231 is an apocalyptic number.

2030191231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030191231 is an equidigital number, since it uses as much as digits as its factorization.

2030191231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2030191231 is about 45057.6434248397. The cubic root of 2030191231 is about 1266.2291751442.

The spelling of 2030191231 in words is "two billion, thirty million, one hundred ninety-one thousand, two hundred thirty-one".