3213243040243 has 4 divisors (see below), whose sum is σ = 3352949259408. Its totient is φ = 3073536821080.

The previous prime is 3213243040181. The next prime is 3213243040261. The reversal of 3213243040243 is 3420403423123.

It is a happy number.

3213243040243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3213243040243 - 2¹⁷ = 3213242909171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213243040643) 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, 69853109548 + ... + 69853109593.

It is an arithmetic number, because the mean of its divisors is an integer number (838237314852).

Almost surely, 2^{3213243040243} is an apocalyptic number.

3213243040243 is a deficient number, since it is larger than the sum of its proper divisors (139706219165).

3213243040243 is a wasteful number, since it uses less digits than its factorization.

3213243040243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139706219164.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 3213243040243 its reverse (3420403423123), we get a palindrome (6633646463366).

The spelling of 3213243040243 in words is "three trillion, two hundred thirteen billion, two hundred forty-three million, forty thousand, two hundred forty-three".