3215424343 has 4 divisors (see below), whose sum is σ = 3222369568. Its totient is φ = 3208479120.

The previous prime is 3215424323. The next prime is 3215424349. The reversal of 3215424343 is 3434245123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3434245123 = 17 ⋅202014419.

It is a cyclic number.

It is not a de Polignac number, because 3215424343 - 2¹⁷ = 3215293271 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 (3215424349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3471918 + ... + 3472843.

It is an arithmetic number, because the mean of its divisors is an integer number (805592392).

Almost surely, 2^3215424343 is an apocalyptic number.

3215424343 is a deficient number, since it is larger than the sum of its proper divisors (6945225).

3215424343 is an equidigital number, since it uses as much as digits as its factorization.

3215424343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945224.

The product of its digits is 34560, while the sum is 31.

The square root of 3215424343 is about 56704.7118236219. The cubic root of 3215424343 is about 1475.9764623844.

Adding to 3215424343 its reverse (3434245123), we get a palindrome (6649669466).

The spelling of 3215424343 in words is "three billion, two hundred fifteen million, four hundred twenty-four thousand, three hundred forty-three".