2030431993 has 2 divisors, whose sum is σ = 2030431994. Its totient is φ = 2030431992.

The previous prime is 2030431981. The next prime is 2030432021. The reversal of 2030431993 is 3991340302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2025270009 + 5161984 = 45003^2 + 2272^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030431993 - 2²⁹ = 1493561081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2030431933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015215996 + 1015215997.

It is an arithmetic number, because the mean of its divisors is an integer number (1015215997).

Almost surely, 2^2030431993 is an apocalyptic number.

It is an amenable number.

2030431993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030431993 is an equidigital number, since it uses as much as digits as its factorization.

2030431993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 2030431993 is about 45060.3150565994. The cubic root of 2030431993 is about 1266.2792275422.

The spelling of 2030431993 in words is "two billion, thirty million, four hundred thirty-one thousand, nine hundred ninety-three".