3221012343 has 8 divisors (see below), whose sum is σ = 4326031728. Its totient is φ = 2131667264.

The previous prime is 3221012329. The next prime is 3221012381. The reversal of 3221012343 is 3432101223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3221012343 - 2⁶ = 3221012279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221012303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918096 + ... + 3918917.

It is an arithmetic number, because the mean of its divisors is an integer number (540753966).

Almost surely, 2^3221012343 is an apocalyptic number.

3221012343 is a deficient number, since it is larger than the sum of its proper divisors (1105019385).

3221012343 is a wasteful number, since it uses less digits than its factorization.

3221012343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837153.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3221012343 is about 56753.9632360596. The cubic root of 3221012343 is about 1476.8309875677.

Adding to 3221012343 its reverse (3432101223), we get a palindrome (6653113566).

The spelling of 3221012343 in words is "three billion, two hundred twenty-one million, twelve thousand, three hundred forty-three".