3213345343 has 4 divisors (see below), whose sum is σ = 3460525768. Its totient is φ = 2966164920.

The previous prime is 3213345337. The next prime is 3213345347. The reversal of 3213345343 is 3435433123.

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 3213345343 - 2²¹ = 3211248191 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 (3213345347) 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, 123590193 + ... + 123590218.

It is an arithmetic number, because the mean of its divisors is an integer number (865131442).

Almost surely, 2^3213345343 is an apocalyptic number.

3213345343 is a deficient number, since it is larger than the sum of its proper divisors (247180425).

3213345343 is a wasteful number, since it uses less digits than its factorization.

3213345343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247180424.

The product of its digits is 38880, while the sum is 31.

The square root of 3213345343 is about 56686.3770495169. The cubic root of 3213345343 is about 1475.6582859613.

Adding to 3213345343 its reverse (3435433123), we get a palindrome (6648778466).

The spelling of 3213345343 in words is "three billion, two hundred thirteen million, three hundred forty-five thousand, three hundred forty-three".