3214897321 has 4 divisors (see below), whose sum is σ = 3235374532. Its totient is φ = 3194420112.

The previous prime is 3214897229. The next prime is 3214897327. The reversal of 3214897321 is 1237984123.

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 325297296 + 2889600025 = 18036^2 + 53755^2 .

It is a cyclic number.

It is not a de Polignac number, because 3214897321 - 2¹¹ = 3214895273 is a prime.

It is a super-3 number, since 3×3214897321³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3214897327) 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, 10238370 + ... + 10238683.

It is an arithmetic number, because the mean of its divisors is an integer number (808843633).

Almost surely, 2^3214897321 is an apocalyptic number.

It is an amenable number.

3214897321 is a deficient number, since it is larger than the sum of its proper divisors (20477211).

3214897321 is a wasteful number, since it uses less digits than its factorization.

3214897321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20477210.

The product of its digits is 72576, while the sum is 40.

The square root of 3214897321 is about 56700.0645590461. The cubic root of 3214897321 is about 1475.8958183297.

The spelling of 3214897321 in words is "three billion, two hundred fourteen million, eight hundred ninety-seven thousand, three hundred twenty-one".