3213066013 has 4 divisors (see below), whose sum is σ = 3213758268. Its totient is φ = 3212373760.

The previous prime is 3213066007. The next prime is 3213066047. The reversal of 3213066013 is 3106603123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2043220804 + 1169845209 = 45202^2 + 34203^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213066013 - 2⁵ = 3213065981 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 (3213066413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339118 + ... + 348463.

It is an arithmetic number, because the mean of its divisors is an integer number (803439567).

Almost surely, 2^3213066013 is an apocalyptic number.

It is an amenable number.

3213066013 is a deficient number, since it is larger than the sum of its proper divisors (692255).

3213066013 is an equidigital number, since it uses as much as digits as its factorization.

3213066013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692254.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3213066013 is about 56683.9131764913. The cubic root of 3213066013 is about 1475.6155259994.

Adding to 3213066013 its reverse (3106603123), we get a palindrome (6319669136).

The spelling of 3213066013 in words is "three billion, two hundred thirteen million, sixty-six thousand, thirteen".