3212231809 has 2 divisors, whose sum is σ = 3212231810. Its totient is φ = 3212231808.

The previous prime is 3212231783. The next prime is 3212231857. The reversal of 3212231809 is 9081322123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2783617600 + 428614209 = 52760^2 + 20703^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212231809 - 2¹³ = 3212223617 is a prime.

It is not a weakly prime, because it can be changed into another prime (3212291809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606115904 + 1606115905.

It is an arithmetic number, because the mean of its divisors is an integer number (1606115905).

Almost surely, 2^3212231809 is an apocalyptic number.

It is an amenable number.

3212231809 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212231809 is an equidigital number, since it uses as much as digits as its factorization.

3212231809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3212231809 is about 56676.5543148135. The cubic root of 3212231809 is about 1475.4878109222.

The spelling of 3212231809 in words is "three billion, two hundred twelve million, two hundred thirty-one thousand, eight hundred nine".