3213231109 has 12 divisors (see below), whose sum is σ = 3533394508. Its totient is φ = 2919882240.

The previous prime is 3213231103. The next prime is 3213231137. The reversal of 3213231109 is 9011323123.

It can be written as a sum of positive squares in 2 ways, for example, as 1722499009 + 1490732100 = 41503^2 + 38610^2 .

It is not a de Polignac number, because 3213231109 - 2³ = 3213231101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213231101) 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 in 11 ways as a sum of consecutive naturals, for example, 404197 + ... + 412069.

Almost surely, 2^3213231109 is an apocalyptic number.

It is an amenable number.

3213231109 is a deficient number, since it is larger than the sum of its proper divisors (320163399).

3213231109 is a wasteful number, since it uses less digits than its factorization.

3213231109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268 (or 11257 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 3213231109 is about 56685.3694439756. The cubic root of 3213231109 is about 1475.6407992687.

The spelling of 3213231109 in words is "three billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred nine".